Home / 7,126.43-10,688.76-2,966.94

Finding the Fourth Proportional to 7,126.43, 10,688.76 and 2,966.94

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Solution

The fourth proportional to 7,126.43, 10,688.76 and 2,966.94 is: 4,450.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.43 : 10,688.76 = 2,966.94 : x
  2. Step 2: Convert to fraction form
    7,126.43/10,688.76 = 2,966.94/x
  3. Step 3: Cross multiply
    7,126.43x = 10,688.76 × 2,966.94
  4. Step 4: Simplify right side
    7,126.43x = 31,712,909.59
  5. Step 5: Solve for x
    x = 31,712,909.59/7,126.43
  6. Step 6: Final answer
    x = 4,450.04

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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.