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Finding the Fourth Proportional to 7,008.62, 10,512.93 and 2,391.50

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Solution

The fourth proportional to 7,008.62, 10,512.93 and 2,391.50 is: 3,587.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.62 : 10,512.93 = 2,391.50 : x
  2. Step 2: Convert to fraction form
    7,008.62/10,512.93 = 2,391.50/x
  3. Step 3: Cross multiply
    7,008.62x = 10,512.93 × 2,391.50
  4. Step 4: Simplify right side
    7,008.62x = 25,141,672.10
  5. Step 5: Solve for x
    x = 25,141,672.10/7,008.62
  6. Step 6: Final answer
    x = 3,587.25

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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.