Home / 6,108.13-9,162.20-1,491.13

Finding the Fourth Proportional to 6,108.13, 9,162.20 and 1,491.13

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Solution

The fourth proportional to 6,108.13, 9,162.20 and 1,491.13 is: 2,236.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.13 : 9,162.20 = 1,491.13 : x
  2. Step 2: Convert to fraction form
    6,108.13/9,162.20 = 1,491.13/x
  3. Step 3: Cross multiply
    6,108.13x = 9,162.20 × 1,491.13
  4. Step 4: Simplify right side
    6,108.13x = 13,662,031.29
  5. Step 5: Solve for x
    x = 13,662,031.29/6,108.13
  6. Step 6: Final answer
    x = 2,236.70

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