Home / 5,678.28-8,514.96-4,188.48

Finding the Fourth Proportional to 5,678.28, 8,514.96 and 4,188.48

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Solution

The fourth proportional to 5,678.28, 8,514.96 and 4,188.48 is: 6,280.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.28 : 8,514.96 = 4,188.48 : x
  2. Step 2: Convert to fraction form
    5,678.28/8,514.96 = 4,188.48/x
  3. Step 3: Cross multiply
    5,678.28x = 8,514.96 × 4,188.48
  4. Step 4: Simplify right side
    5,678.28x = 35,664,739.66
  5. Step 5: Solve for x
    x = 35,664,739.66/5,678.28
  6. Step 6: Final answer
    x = 6,280.91

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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.