Home / 5,591.70-8,387.30-1,642.80

Finding the Fourth Proportional to 5,591.70, 8,387.30 and 1,642.80

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Solution

The fourth proportional to 5,591.70, 8,387.30 and 1,642.80 is: 2,464.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.70 : 8,387.30 = 1,642.80 : x
  2. Step 2: Convert to fraction form
    5,591.70/8,387.30 = 1,642.80/x
  3. Step 3: Cross multiply
    5,591.70x = 8,387.30 × 1,642.80
  4. Step 4: Simplify right side
    5,591.70x = 13,778,656.44
  5. Step 5: Solve for x
    x = 13,778,656.44/5,591.70
  6. Step 6: Final answer
    x = 2,464.13

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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.