Home / 7,488.98-11,228.46-3,591.26

Finding the Fourth Proportional to 7,488.98, 11,228.46 and 3,591.26

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Solution

The fourth proportional to 7,488.98, 11,228.46 and 3,591.26 is: 5,384.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.98 : 11,228.46 = 3,591.26 : x
  2. Step 2: Convert to fraction form
    7,488.98/11,228.46 = 3,591.26/x
  3. Step 3: Cross multiply
    7,488.98x = 11,228.46 × 3,591.26
  4. Step 4: Simplify right side
    7,488.98x = 40,324,319.26
  5. Step 5: Solve for x
    x = 40,324,319.26/7,488.98
  6. Step 6: Final answer
    x = 5,384.49

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Half scale
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Double scale
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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.