Home / 6,770.15-9,340.13-3,937.01

Finding the Fourth Proportional to 6,770.15, 9,340.13 and 3,937.01

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Solution

The fourth proportional to 6,770.15, 9,340.13 and 3,937.01 is: 5,431.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,770.15 : 9,340.13 = 3,937.01 : x
  2. Step 2: Convert to fraction form
    6,770.15/9,340.13 = 3,937.01/x
  3. Step 3: Cross multiply
    6,770.15x = 9,340.13 × 3,937.01
  4. Step 4: Simplify right side
    6,770.15x = 36,772,118.83
  5. Step 5: Solve for x
    x = 36,772,118.83/6,770.15
  6. Step 6: Final answer
    x = 5,431.51

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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.