Home / 6,113.88-8,437.05-3,319.38

Finding the Fourth Proportional to 6,113.88, 8,437.05 and 3,319.38

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Solution

The fourth proportional to 6,113.88, 8,437.05 and 3,319.38 is: 4,580.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.88 : 8,437.05 = 3,319.38 : x
  2. Step 2: Convert to fraction form
    6,113.88/8,437.05 = 3,319.38/x
  3. Step 3: Cross multiply
    6,113.88x = 8,437.05 × 3,319.38
  4. Step 4: Simplify right side
    6,113.88x = 28,005,775.03
  5. Step 5: Solve for x
    x = 28,005,775.03/6,113.88
  6. Step 6: Final answer
    x = 4,580.69

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.