Home / 4,721.80-7,110.15-3,497.88

Finding the Fourth Proportional to 4,721.80, 7,110.15 and 3,497.88

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Solution

The fourth proportional to 4,721.80, 7,110.15 and 3,497.88 is: 5,267.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.80 : 7,110.15 = 3,497.88 : x
  2. Step 2: Convert to fraction form
    4,721.80/7,110.15 = 3,497.88/x
  3. Step 3: Cross multiply
    4,721.80x = 7,110.15 × 3,497.88
  4. Step 4: Simplify right side
    4,721.80x = 24,870,451.48
  5. Step 5: Solve for x
    x = 24,870,451.48/4,721.80
  6. Step 6: Final answer
    x = 5,267.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.