Home / 5,520.12-7,617.90-3,424.44

Finding the Fourth Proportional to 5,520.12, 7,617.90 and 3,424.44

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Solution

The fourth proportional to 5,520.12, 7,617.90 and 3,424.44 is: 4,725.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.12 : 7,617.90 = 3,424.44 : x
  2. Step 2: Convert to fraction form
    5,520.12/7,617.90 = 3,424.44/x
  3. Step 3: Cross multiply
    5,520.12x = 7,617.90 × 3,424.44
  4. Step 4: Simplify right side
    5,520.12x = 26,087,041.48
  5. Step 5: Solve for x
    x = 26,087,041.48/5,520.12
  6. Step 6: Final answer
    x = 4,725.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.