Home / 5,590.64-8,387.20-1,892.56

Finding the Fourth Proportional to 5,590.64, 8,387.20 and 1,892.56

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Solution

The fourth proportional to 5,590.64, 8,387.20 and 1,892.56 is: 2,839.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.64 : 8,387.20 = 1,892.56 : x
  2. Step 2: Convert to fraction form
    5,590.64/8,387.20 = 1,892.56/x
  3. Step 3: Cross multiply
    5,590.64x = 8,387.20 × 1,892.56
  4. Step 4: Simplify right side
    5,590.64x = 15,873,279.23
  5. Step 5: Solve for x
    x = 15,873,279.23/5,590.64
  6. Step 6: Final answer
    x = 2,839.26

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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.