Home / 7,207.40-10,812.15-2,275.92

Finding the Fourth Proportional to 7,207.40, 10,812.15 and 2,275.92

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Solution

The fourth proportional to 7,207.40, 10,812.15 and 2,275.92 is: 3,414.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.40 : 10,812.15 = 2,275.92 : x
  2. Step 2: Convert to fraction form
    7,207.40/10,812.15 = 2,275.92/x
  3. Step 3: Cross multiply
    7,207.40x = 10,812.15 × 2,275.92
  4. Step 4: Simplify right side
    7,207.40x = 24,607,588.43
  5. Step 5: Solve for x
    x = 24,607,588.43/7,207.40
  6. Step 6: Final answer
    x = 3,414.21

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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.