Home / 7,242.71-10,863.98-2,312.29

Finding the Fourth Proportional to 7,242.71, 10,863.98 and 2,312.29

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Solution

The fourth proportional to 7,242.71, 10,863.98 and 2,312.29 is: 3,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.71 : 10,863.98 = 2,312.29 : x
  2. Step 2: Convert to fraction form
    7,242.71/10,863.98 = 2,312.29/x
  3. Step 3: Cross multiply
    7,242.71x = 10,863.98 × 2,312.29
  4. Step 4: Simplify right side
    7,242.71x = 25,120,606.43
  5. Step 5: Solve for x
    x = 25,120,606.43/7,242.71
  6. Step 6: Final answer
    x = 3,468.40

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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.