Home / 4,451.29-6,675.34-1,330.71

Finding the Fourth Proportional to 4,451.29, 6,675.34 and 1,330.71

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Solution

The fourth proportional to 4,451.29, 6,675.34 and 1,330.71 is: 1,995.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451.29 : 6,675.34 = 1,330.71 : x
  2. Step 2: Convert to fraction form
    4,451.29/6,675.34 = 1,330.71/x
  3. Step 3: Cross multiply
    4,451.29x = 6,675.34 × 1,330.71
  4. Step 4: Simplify right side
    4,451.29x = 8,882,941.69
  5. Step 5: Solve for x
    x = 8,882,941.69/4,451.29
  6. Step 6: Final answer
    x = 1,995.59

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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.