Home / 5,578.24-8,363.84-4,753.28

Finding the Fourth Proportional to 5,578.24, 8,363.84 and 4,753.28

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Solution

The fourth proportional to 5,578.24, 8,363.84 and 4,753.28 is: 7,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.24 : 8,363.84 = 4,753.28 : x
  2. Step 2: Convert to fraction form
    5,578.24/8,363.84 = 4,753.28/x
  3. Step 3: Cross multiply
    5,578.24x = 8,363.84 × 4,753.28
  4. Step 4: Simplify right side
    5,578.24x = 39,755,673.40
  5. Step 5: Solve for x
    x = 39,755,673.40/5,578.24
  6. Step 6: Final answer
    x = 7,126.92

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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.