Home / 6,127.28-8,455.64-3,332.76

Finding the Fourth Proportional to 6,127.28, 8,455.64 and 3,332.76

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Solution

The fourth proportional to 6,127.28, 8,455.64 and 3,332.76 is: 4,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.28 : 8,455.64 = 3,332.76 : x
  2. Step 2: Convert to fraction form
    6,127.28/8,455.64 = 3,332.76/x
  3. Step 3: Cross multiply
    6,127.28x = 8,455.64 × 3,332.76
  4. Step 4: Simplify right side
    6,127.28x = 28,180,618.77
  5. Step 5: Solve for x
    x = 28,180,618.77/6,127.28
  6. Step 6: Final answer
    x = 4,599.21

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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.