Home / 8,898.68-12,280.14-5,710.97

Finding the Fourth Proportional to 8,898.68, 12,280.14 and 5,710.97

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Solution

The fourth proportional to 8,898.68, 12,280.14 and 5,710.97 is: 7,881.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.68 : 12,280.14 = 5,710.97 : x
  2. Step 2: Convert to fraction form
    8,898.68/12,280.14 = 5,710.97/x
  3. Step 3: Cross multiply
    8,898.68x = 12,280.14 × 5,710.97
  4. Step 4: Simplify right side
    8,898.68x = 70,131,541.84
  5. Step 5: Solve for x
    x = 70,131,541.84/8,898.68
  6. Step 6: Final answer
    x = 7,881.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.