Home / 5,590.16-8,387.98-3,957.20

Finding the Fourth Proportional to 5,590.16, 8,387.98 and 3,957.20

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Solution

The fourth proportional to 5,590.16, 8,387.98 and 3,957.20 is: 5,937.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.16 : 8,387.98 = 3,957.20 : x
  2. Step 2: Convert to fraction form
    5,590.16/8,387.98 = 3,957.20/x
  3. Step 3: Cross multiply
    5,590.16x = 8,387.98 × 3,957.20
  4. Step 4: Simplify right side
    5,590.16x = 33,192,914.46
  5. Step 5: Solve for x
    x = 33,192,914.46/5,590.16
  6. Step 6: Final answer
    x = 5,937.74

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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.