Home / 5,617.06-8,425.55-4,385.50

Finding the Fourth Proportional to 5,617.06, 8,425.55 and 4,385.50

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Solution

The fourth proportional to 5,617.06, 8,425.55 and 4,385.50 is: 6,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.06 : 8,425.55 = 4,385.50 : x
  2. Step 2: Convert to fraction form
    5,617.06/8,425.55 = 4,385.50/x
  3. Step 3: Cross multiply
    5,617.06x = 8,425.55 × 4,385.50
  4. Step 4: Simplify right side
    5,617.06x = 36,950,249.53
  5. Step 5: Solve for x
    x = 36,950,249.53/5,617.06
  6. Step 6: Final answer
    x = 6,578.22

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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.