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Finding the Fourth Proportional to 4,881.89, 7,322.84 and 1,184.12

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Solution

The fourth proportional to 4,881.89, 7,322.84 and 1,184.12 is: 1,776.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.89 : 7,322.84 = 1,184.12 : x
  2. Step 2: Convert to fraction form
    4,881.89/7,322.84 = 1,184.12/x
  3. Step 3: Cross multiply
    4,881.89x = 7,322.84 × 1,184.12
  4. Step 4: Simplify right side
    4,881.89x = 8,671,121.30
  5. Step 5: Solve for x
    x = 8,671,121.30/4,881.89
  6. Step 6: Final answer
    x = 1,776.18

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.