Home / 8,715.20-12,006.63-6,057.99

Finding the Fourth Proportional to 8,715.20, 12,006.63 and 6,057.99

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Solution

The fourth proportional to 8,715.20, 12,006.63 and 6,057.99 is: 8,345.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.20 : 12,006.63 = 6,057.99 : x
  2. Step 2: Convert to fraction form
    8,715.20/12,006.63 = 6,057.99/x
  3. Step 3: Cross multiply
    8,715.20x = 12,006.63 × 6,057.99
  4. Step 4: Simplify right side
    8,715.20x = 72,736,044.47
  5. Step 5: Solve for x
    x = 72,736,044.47/8,715.20
  6. Step 6: Final answer
    x = 8,345.89

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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.