Home / 7,521.48-11,281.72-2,591.22

Finding the Fourth Proportional to 7,521.48, 11,281.72 and 2,591.22

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Solution

The fourth proportional to 7,521.48, 11,281.72 and 2,591.22 is: 3,886.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.48 : 11,281.72 = 2,591.22 : x
  2. Step 2: Convert to fraction form
    7,521.48/11,281.72 = 2,591.22/x
  3. Step 3: Cross multiply
    7,521.48x = 11,281.72 × 2,591.22
  4. Step 4: Simplify right side
    7,521.48x = 29,233,418.50
  5. Step 5: Solve for x
    x = 29,233,418.50/7,521.48
  6. Step 6: Final answer
    x = 3,886.66

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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.