Home / 5,328.28-7,992.42-1,630.52

Finding the Fourth Proportional to 5,328.28, 7,992.42 and 1,630.52

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Solution

The fourth proportional to 5,328.28, 7,992.42 and 1,630.52 is: 2,445.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.28 : 7,992.42 = 1,630.52 : x
  2. Step 2: Convert to fraction form
    5,328.28/7,992.42 = 1,630.52/x
  3. Step 3: Cross multiply
    5,328.28x = 7,992.42 × 1,630.52
  4. Step 4: Simplify right side
    5,328.28x = 13,031,800.66
  5. Step 5: Solve for x
    x = 13,031,800.66/5,328.28
  6. Step 6: Final answer
    x = 2,445.78

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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.