Home / 8,127.87-12,192.51-2,284.47

Finding the Fourth Proportional to 8,127.87, 12,192.51 and 2,284.47

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Solution

The fourth proportional to 8,127.87, 12,192.51 and 2,284.47 is: 3,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.87 : 12,192.51 = 2,284.47 : x
  2. Step 2: Convert to fraction form
    8,127.87/12,192.51 = 2,284.47/x
  3. Step 3: Cross multiply
    8,127.87x = 12,192.51 × 2,284.47
  4. Step 4: Simplify right side
    8,127.87x = 27,853,423.32
  5. Step 5: Solve for x
    x = 27,853,423.32/8,127.87
  6. Step 6: Final answer
    x = 3,426.90

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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.