Home / 4,427.97-6,641.39-1,307.91

Finding the Fourth Proportional to 4,427.97, 6,641.39 and 1,307.91

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Solution

The fourth proportional to 4,427.97, 6,641.39 and 1,307.91 is: 1,961.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.97 : 6,641.39 = 1,307.91 : x
  2. Step 2: Convert to fraction form
    4,427.97/6,641.39 = 1,307.91/x
  3. Step 3: Cross multiply
    4,427.97x = 6,641.39 × 1,307.91
  4. Step 4: Simplify right side
    4,427.97x = 8,686,368.57
  5. Step 5: Solve for x
    x = 8,686,368.57/4,427.97
  6. Step 6: Final answer
    x = 1,961.71

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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.