Home / 5,920.77-8,878.28-3,456.39

Finding the Fourth Proportional to 5,920.77, 8,878.28 and 3,456.39

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Solution

The fourth proportional to 5,920.77, 8,878.28 and 3,456.39 is: 5,182.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.77 : 8,878.28 = 3,456.39 : x
  2. Step 2: Convert to fraction form
    5,920.77/8,878.28 = 3,456.39/x
  3. Step 3: Cross multiply
    5,920.77x = 8,878.28 × 3,456.39
  4. Step 4: Simplify right side
    5,920.77x = 30,686,780.93
  5. Step 5: Solve for x
    x = 30,686,780.93/5,920.77
  6. Step 6: Final answer
    x = 5,182.90

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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.