Home / 8,130.12-11,218.95-4,593.66

Finding the Fourth Proportional to 8,130.12, 11,218.95 and 4,593.66

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Solution

The fourth proportional to 8,130.12, 11,218.95 and 4,593.66 is: 6,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.12 : 11,218.95 = 4,593.66 : x
  2. Step 2: Convert to fraction form
    8,130.12/11,218.95 = 4,593.66/x
  3. Step 3: Cross multiply
    8,130.12x = 11,218.95 × 4,593.66
  4. Step 4: Simplify right side
    8,130.12x = 51,536,041.86
  5. Step 5: Solve for x
    x = 51,536,041.86/8,130.12
  6. Step 6: Final answer
    x = 6,338.90

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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.