Home / 4,253.24-6,377.46-1,330.76

Finding the Fourth Proportional to 4,253.24, 6,377.46 and 1,330.76

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Solution

The fourth proportional to 4,253.24, 6,377.46 and 1,330.76 is: 1,995.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.24 : 6,377.46 = 1,330.76 : x
  2. Step 2: Convert to fraction form
    4,253.24/6,377.46 = 1,330.76/x
  3. Step 3: Cross multiply
    4,253.24x = 6,377.46 × 1,330.76
  4. Step 4: Simplify right side
    4,253.24x = 8,486,868.67
  5. Step 5: Solve for x
    x = 8,486,868.67/4,253.24
  6. Step 6: Final answer
    x = 1,995.39

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Double scale
Find fourth proportional to 4,254.24, 6,378.96 and 1,331.76
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.