Home / 7,521.58-11,282.37-2,591.31

Finding the Fourth Proportional to 7,521.58, 11,282.37 and 2,591.31

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Solution

The fourth proportional to 7,521.58, 11,282.37 and 2,591.31 is: 3,886.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.58 : 11,282.37 = 2,591.31 : x
  2. Step 2: Convert to fraction form
    7,521.58/11,282.37 = 2,591.31/x
  3. Step 3: Cross multiply
    7,521.58x = 11,282.37 × 2,591.31
  4. Step 4: Simplify right side
    7,521.58x = 29,236,118.20
  5. Step 5: Solve for x
    x = 29,236,118.20/7,521.58
  6. Step 6: Final answer
    x = 3,886.97

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Double scale
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Similar ratio
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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.