Home / 5,388.01-8,082.02-1,690.57

Finding the Fourth Proportional to 5,388.01, 8,082.02 and 1,690.57

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Solution

The fourth proportional to 5,388.01, 8,082.02 and 1,690.57 is: 2,535.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.01 : 8,082.02 = 1,690.57 : x
  2. Step 2: Convert to fraction form
    5,388.01/8,082.02 = 1,690.57/x
  3. Step 3: Cross multiply
    5,388.01x = 8,082.02 × 1,690.57
  4. Step 4: Simplify right side
    5,388.01x = 13,663,220.55
  5. Step 5: Solve for x
    x = 13,663,220.55/5,388.01
  6. Step 6: Final answer
    x = 2,535.86

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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.