Home / 5,342.25-8,013.38-1,879.50

Finding the Fourth Proportional to 5,342.25, 8,013.38 and 1,879.50

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Solution

The fourth proportional to 5,342.25, 8,013.38 and 1,879.50 is: 2,819.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.25 : 8,013.38 = 1,879.50 : x
  2. Step 2: Convert to fraction form
    5,342.25/8,013.38 = 1,879.50/x
  3. Step 3: Cross multiply
    5,342.25x = 8,013.38 × 1,879.50
  4. Step 4: Simplify right side
    5,342.25x = 15,061,147.71
  5. Step 5: Solve for x
    x = 15,061,147.71/5,342.25
  6. Step 6: Final answer
    x = 2,819.25

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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.