Home / 8,634.91-12,952.37-5,712.53

Finding the Fourth Proportional to 8,634.91, 12,952.37 and 5,712.53

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Solution

The fourth proportional to 8,634.91, 12,952.37 and 5,712.53 is: 8,568.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.91 : 12,952.37 = 5,712.53 : x
  2. Step 2: Convert to fraction form
    8,634.91/12,952.37 = 5,712.53/x
  3. Step 3: Cross multiply
    8,634.91x = 12,952.37 × 5,712.53
  4. Step 4: Simplify right side
    8,634.91x = 73,990,802.20
  5. Step 5: Solve for x
    x = 73,990,802.20/8,634.91
  6. Step 6: Final answer
    x = 8,568.80

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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.