Home / 5,397.19-8,082.72-2,616.98

Finding the Fourth Proportional to 5,397.19, 8,082.72 and 2,616.98

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Solution

The fourth proportional to 5,397.19, 8,082.72 and 2,616.98 is: 3,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.19 : 8,082.72 = 2,616.98 : x
  2. Step 2: Convert to fraction form
    5,397.19/8,082.72 = 2,616.98/x
  3. Step 3: Cross multiply
    5,397.19x = 8,082.72 × 2,616.98
  4. Step 4: Simplify right side
    5,397.19x = 21,152,276.17
  5. Step 5: Solve for x
    x = 21,152,276.17/5,397.19
  6. Step 6: Final answer
    x = 3,919.13

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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.