Home / 5,345.60-7,374.24-3,577.28

Finding the Fourth Proportional to 5,345.60, 7,374.24 and 3,577.28

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Solution

The fourth proportional to 5,345.60, 7,374.24 and 3,577.28 is: 4,934.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.60 : 7,374.24 = 3,577.28 : x
  2. Step 2: Convert to fraction form
    5,345.60/7,374.24 = 3,577.28/x
  3. Step 3: Cross multiply
    5,345.60x = 7,374.24 × 3,577.28
  4. Step 4: Simplify right side
    5,345.60x = 26,379,721.27
  5. Step 5: Solve for x
    x = 26,379,721.27/5,345.60
  6. Step 6: Final answer
    x = 4,934.85

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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.