Home / 5,298.01-7,947.85-1,599.78

Finding the Fourth Proportional to 5,298.01, 7,947.85 and 1,599.78

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Solution

The fourth proportional to 5,298.01, 7,947.85 and 1,599.78 is: 2,399.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.01 : 7,947.85 = 1,599.78 : x
  2. Step 2: Convert to fraction form
    5,298.01/7,947.85 = 1,599.78/x
  3. Step 3: Cross multiply
    5,298.01x = 7,947.85 × 1,599.78
  4. Step 4: Simplify right side
    5,298.01x = 12,714,768.72
  5. Step 5: Solve for x
    x = 12,714,768.72/5,298.01
  6. Step 6: Final answer
    x = 2,399.92

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Similar ratio
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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.