Home / 5,374.91-8,061.44-1,426.20

Finding the Fourth Proportional to 5,374.91, 8,061.44 and 1,426.20

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Solution

The fourth proportional to 5,374.91, 8,061.44 and 1,426.20 is: 2,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.91 : 8,061.44 = 1,426.20 : x
  2. Step 2: Convert to fraction form
    5,374.91/8,061.44 = 1,426.20/x
  3. Step 3: Cross multiply
    5,374.91x = 8,061.44 × 1,426.20
  4. Step 4: Simplify right side
    5,374.91x = 11,497,218.60
  5. Step 5: Solve for x
    x = 11,497,218.60/5,374.91
  6. Step 6: Final answer
    x = 2,139.06

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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.