Home / 5,590.30-8,387.74-2,666.74

Finding the Fourth Proportional to 5,590.30, 8,387.74 and 2,666.74

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Solution

The fourth proportional to 5,590.30, 8,387.74 and 2,666.74 is: 4,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.30 : 8,387.74 = 2,666.74 : x
  2. Step 2: Convert to fraction form
    5,590.30/8,387.74 = 2,666.74/x
  3. Step 3: Cross multiply
    5,590.30x = 8,387.74 × 2,666.74
  4. Step 4: Simplify right side
    5,590.30x = 22,367,921.77
  5. Step 5: Solve for x
    x = 22,367,921.77/5,590.30
  6. Step 6: Final answer
    x = 4,001.20

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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.