Home / 5,342.38-8,014.68-1,879.18

Finding the Fourth Proportional to 5,342.38, 8,014.68 and 1,879.18

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Solution

The fourth proportional to 5,342.38, 8,014.68 and 1,879.18 is: 2,819.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.38 : 8,014.68 = 1,879.18 : x
  2. Step 2: Convert to fraction form
    5,342.38/8,014.68 = 1,879.18/x
  3. Step 3: Cross multiply
    5,342.38x = 8,014.68 × 1,879.18
  4. Step 4: Simplify right side
    5,342.38x = 15,061,026.36
  5. Step 5: Solve for x
    x = 15,061,026.36/5,342.38
  6. Step 6: Final answer
    x = 2,819.16

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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.