Home / 4,085.18-6,126.46-1,311.18

Finding the Fourth Proportional to 4,085.18, 6,126.46 and 1,311.18

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Solution

The fourth proportional to 4,085.18, 6,126.46 and 1,311.18 is: 1,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.18 : 6,126.46 = 1,311.18 : x
  2. Step 2: Convert to fraction form
    4,085.18/6,126.46 = 1,311.18/x
  3. Step 3: Cross multiply
    4,085.18x = 6,126.46 × 1,311.18
  4. Step 4: Simplify right side
    4,085.18x = 8,032,891.82
  5. Step 5: Solve for x
    x = 8,032,891.82/4,085.18
  6. Step 6: Final answer
    x = 1,966.35

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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.