Home / 5,387.18-7,434.32-3,029.34

Finding the Fourth Proportional to 5,387.18, 7,434.32 and 3,029.34

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Solution

The fourth proportional to 5,387.18, 7,434.32 and 3,029.34 is: 4,180.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.18 : 7,434.32 = 3,029.34 : x
  2. Step 2: Convert to fraction form
    5,387.18/7,434.32 = 3,029.34/x
  3. Step 3: Cross multiply
    5,387.18x = 7,434.32 × 3,029.34
  4. Step 4: Simplify right side
    5,387.18x = 22,521,082.95
  5. Step 5: Solve for x
    x = 22,521,082.95/5,387.18
  6. Step 6: Final answer
    x = 4,180.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.