Home / 5,320.50-7,343.34-3,082.86

Finding the Fourth Proportional to 5,320.50, 7,343.34 and 3,082.86

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Solution

The fourth proportional to 5,320.50, 7,343.34 and 3,082.86 is: 4,254.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.50 : 7,343.34 = 3,082.86 : x
  2. Step 2: Convert to fraction form
    5,320.50/7,343.34 = 3,082.86/x
  3. Step 3: Cross multiply
    5,320.50x = 7,343.34 × 3,082.86
  4. Step 4: Simplify right side
    5,320.50x = 22,638,489.15
  5. Step 5: Solve for x
    x = 22,638,489.15/5,320.50
  6. Step 6: Final answer
    x = 4,254.96

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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.