Home / 5,292.32-7,938.55-3,648.43

Finding the Fourth Proportional to 5,292.32, 7,938.55 and 3,648.43

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Solution

The fourth proportional to 5,292.32, 7,938.55 and 3,648.43 is: 5,472.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.32 : 7,938.55 = 3,648.43 : x
  2. Step 2: Convert to fraction form
    5,292.32/7,938.55 = 3,648.43/x
  3. Step 3: Cross multiply
    5,292.32x = 7,938.55 × 3,648.43
  4. Step 4: Simplify right side
    5,292.32x = 28,963,215.01
  5. Step 5: Solve for x
    x = 28,963,215.01/5,292.32
  6. Step 6: Final answer
    x = 5,472.69

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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.