Home / 4,252.77-6,379.47-1,331.07

Finding the Fourth Proportional to 4,252.77, 6,379.47 and 1,331.07

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Solution

The fourth proportional to 4,252.77, 6,379.47 and 1,331.07 is: 1,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.77 : 6,379.47 = 1,331.07 : x
  2. Step 2: Convert to fraction form
    4,252.77/6,379.47 = 1,331.07/x
  3. Step 3: Cross multiply
    4,252.77x = 6,379.47 × 1,331.07
  4. Step 4: Simplify right side
    4,252.77x = 8,491,521.13
  5. Step 5: Solve for x
    x = 8,491,521.13/4,252.77
  6. Step 6: Final answer
    x = 1,996.70

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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.