Home / 7,440.16-11,138.29-6,517.51

Finding the Fourth Proportional to 7,440.16, 11,138.29 and 6,517.51

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Solution

The fourth proportional to 7,440.16, 11,138.29 and 6,517.51 is: 9,757.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.16 : 11,138.29 = 6,517.51 : x
  2. Step 2: Convert to fraction form
    7,440.16/11,138.29 = 6,517.51/x
  3. Step 3: Cross multiply
    7,440.16x = 11,138.29 × 6,517.51
  4. Step 4: Simplify right side
    7,440.16x = 72,593,916.46
  5. Step 5: Solve for x
    x = 72,593,916.46/7,440.16
  6. Step 6: Final answer
    x = 9,757.04

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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.