Home / 6,160.10-9,240.15-5,479.70

Finding the Fourth Proportional to 6,160.10, 9,240.15 and 5,479.70

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Solution

The fourth proportional to 6,160.10, 9,240.15 and 5,479.70 is: 8,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,160.10 : 9,240.15 = 5,479.70 : x
  2. Step 2: Convert to fraction form
    6,160.10/9,240.15 = 5,479.70/x
  3. Step 3: Cross multiply
    6,160.10x = 9,240.15 × 5,479.70
  4. Step 4: Simplify right side
    6,160.10x = 50,633,249.96
  5. Step 5: Solve for x
    x = 50,633,249.96/6,160.10
  6. Step 6: Final answer
    x = 8,219.55

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Half scale
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Double scale
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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.