Home / 5,778.05-8,708.36-5,456.15

Finding the Fourth Proportional to 5,778.05, 8,708.36 and 5,456.15

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Solution

The fourth proportional to 5,778.05, 8,708.36 and 5,456.15 is: 8,223.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.05 : 8,708.36 = 5,456.15 : x
  2. Step 2: Convert to fraction form
    5,778.05/8,708.36 = 5,456.15/x
  3. Step 3: Cross multiply
    5,778.05x = 8,708.36 × 5,456.15
  4. Step 4: Simplify right side
    5,778.05x = 47,514,118.41
  5. Step 5: Solve for x
    x = 47,514,118.41/5,778.05
  6. Step 6: Final answer
    x = 8,223.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.