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Finding the Fourth Proportional to 7,587, 11,330.69 and 6,549.12

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Solution

The fourth proportional to 7,587, 11,330.69 and 6,549.12 is: 9,780.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587 : 11,330.69 = 6,549.12 : x
  2. Step 2: Convert to fraction form
    7,587/11,330.69 = 6,549.12/x
  3. Step 3: Cross multiply
    7,587x = 11,330.69 × 6,549.12
  4. Step 4: Simplify right side
    7,587x = 74,206,015.75
  5. Step 5: Solve for x
    x = 74,206,015.75/7,587
  6. Step 6: Final answer
    x = 9,780.68

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.