Home / 5,454.41-8,182.89-1,558.71

Finding the Fourth Proportional to 5,454.41, 8,182.89 and 1,558.71

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Solution

The fourth proportional to 5,454.41, 8,182.89 and 1,558.71 is: 2,338.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.41 : 8,182.89 = 1,558.71 : x
  2. Step 2: Convert to fraction form
    5,454.41/8,182.89 = 1,558.71/x
  3. Step 3: Cross multiply
    5,454.41x = 8,182.89 × 1,558.71
  4. Step 4: Simplify right side
    5,454.41x = 12,754,752.47
  5. Step 5: Solve for x
    x = 12,754,752.47/5,454.41
  6. Step 6: Final answer
    x = 2,338.43

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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.