Home / 5,521.30-8,282.40-1,572.55

Finding the Fourth Proportional to 5,521.30, 8,282.40 and 1,572.55

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Solution

The fourth proportional to 5,521.30, 8,282.40 and 1,572.55 is: 2,358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.30 : 8,282.40 = 1,572.55 : x
  2. Step 2: Convert to fraction form
    5,521.30/8,282.40 = 1,572.55/x
  3. Step 3: Cross multiply
    5,521.30x = 8,282.40 × 1,572.55
  4. Step 4: Simplify right side
    5,521.30x = 13,024,488.12
  5. Step 5: Solve for x
    x = 13,024,488.12/5,521.30
  6. Step 6: Final answer
    x = 2,358.95

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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.