Home / 5,920.48-8,878.19-2,220.15

Finding the Fourth Proportional to 5,920.48, 8,878.19 and 2,220.15

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Solution

The fourth proportional to 5,920.48, 8,878.19 and 2,220.15 is: 3,329.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.48 : 8,878.19 = 2,220.15 : x
  2. Step 2: Convert to fraction form
    5,920.48/8,878.19 = 2,220.15/x
  3. Step 3: Cross multiply
    5,920.48x = 8,878.19 × 2,220.15
  4. Step 4: Simplify right side
    5,920.48x = 19,710,913.53
  5. Step 5: Solve for x
    x = 19,710,913.53/5,920.48
  6. Step 6: Final answer
    x = 3,329.28

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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.