Home / 8,498.11-11,727.32-4,721.28

Finding the Fourth Proportional to 8,498.11, 11,727.32 and 4,721.28

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Solution

The fourth proportional to 8,498.11, 11,727.32 and 4,721.28 is: 6,515.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,498.11 : 11,727.32 = 4,721.28 : x
  2. Step 2: Convert to fraction form
    8,498.11/11,727.32 = 4,721.28/x
  3. Step 3: Cross multiply
    8,498.11x = 11,727.32 × 4,721.28
  4. Step 4: Simplify right side
    8,498.11x = 55,367,937.76
  5. Step 5: Solve for x
    x = 55,367,937.76/8,498.11
  6. Step 6: Final answer
    x = 6,515.32

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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.