Home / 5,428.32-7,488.24-3,437.28

Finding the Fourth Proportional to 5,428.32, 7,488.24 and 3,437.28

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Solution

The fourth proportional to 5,428.32, 7,488.24 and 3,437.28 is: 4,741.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.32 : 7,488.24 = 3,437.28 : x
  2. Step 2: Convert to fraction form
    5,428.32/7,488.24 = 3,437.28/x
  3. Step 3: Cross multiply
    5,428.32x = 7,488.24 × 3,437.28
  4. Step 4: Simplify right side
    5,428.32x = 25,739,177.59
  5. Step 5: Solve for x
    x = 25,739,177.59/5,428.32
  6. Step 6: Final answer
    x = 4,741.65

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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.