Home / 4,081.75-6,123.06-1,307.43

Finding the Fourth Proportional to 4,081.75, 6,123.06 and 1,307.43

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Solution

The fourth proportional to 4,081.75, 6,123.06 and 1,307.43 is: 1,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.75 : 6,123.06 = 1,307.43 : x
  2. Step 2: Convert to fraction form
    4,081.75/6,123.06 = 1,307.43/x
  3. Step 3: Cross multiply
    4,081.75x = 6,123.06 × 1,307.43
  4. Step 4: Simplify right side
    4,081.75x = 8,005,472.34
  5. Step 5: Solve for x
    x = 8,005,472.34/4,081.75
  6. Step 6: Final answer
    x = 1,961.28

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Double scale
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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.