Home / 5,328.45-7,352.89-3,174.88

Finding the Fourth Proportional to 5,328.45, 7,352.89 and 3,174.88

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Solution

The fourth proportional to 5,328.45, 7,352.89 and 3,174.88 is: 4,381.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.45 : 7,352.89 = 3,174.88 : x
  2. Step 2: Convert to fraction form
    5,328.45/7,352.89 = 3,174.88/x
  3. Step 3: Cross multiply
    5,328.45x = 7,352.89 × 3,174.88
  4. Step 4: Simplify right side
    5,328.45x = 23,344,543.40
  5. Step 5: Solve for x
    x = 23,344,543.40/5,328.45
  6. Step 6: Final answer
    x = 4,381.11

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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.