Home / 6,377.56-8,801.14-3,688.76

Finding the Fourth Proportional to 6,377.56, 8,801.14 and 3,688.76

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Solution

The fourth proportional to 6,377.56, 8,801.14 and 3,688.76 is: 5,090.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,377.56 : 8,801.14 = 3,688.76 : x
  2. Step 2: Convert to fraction form
    6,377.56/8,801.14 = 3,688.76/x
  3. Step 3: Cross multiply
    6,377.56x = 8,801.14 × 3,688.76
  4. Step 4: Simplify right side
    6,377.56x = 32,465,293.19
  5. Step 5: Solve for x
    x = 32,465,293.19/6,377.56
  6. Step 6: Final answer
    x = 5,090.55

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Half scale
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Double scale
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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.