Home / 5,036.40-7,549.44-4,909.92

Finding the Fourth Proportional to 5,036.40, 7,549.44 and 4,909.92

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Solution

The fourth proportional to 5,036.40, 7,549.44 and 4,909.92 is: 7,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,036.40 : 7,549.44 = 4,909.92 : x
  2. Step 2: Convert to fraction form
    5,036.40/7,549.44 = 4,909.92/x
  3. Step 3: Cross multiply
    5,036.40x = 7,549.44 × 4,909.92
  4. Step 4: Simplify right side
    5,036.40x = 37,067,146.44
  5. Step 5: Solve for x
    x = 37,067,146.44/5,036.40
  6. Step 6: Final answer
    x = 7,359.85

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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.