Home / 5,447.30-7,524.57-4,389.19

Finding the Fourth Proportional to 5,447.30, 7,524.57 and 4,389.19

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Solution

The fourth proportional to 5,447.30, 7,524.57 and 4,389.19 is: 6,062.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.30 : 7,524.57 = 4,389.19 : x
  2. Step 2: Convert to fraction form
    5,447.30/7,524.57 = 4,389.19/x
  3. Step 3: Cross multiply
    5,447.30x = 7,524.57 × 4,389.19
  4. Step 4: Simplify right side
    5,447.30x = 33,026,752.70
  5. Step 5: Solve for x
    x = 33,026,752.70/5,447.30
  6. Step 6: Final answer
    x = 6,062.96

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Half scale
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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.