Home / 5,520.13-7,617.77-3,162.42

Finding the Fourth Proportional to 5,520.13, 7,617.77 and 3,162.42

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Solution

The fourth proportional to 5,520.13, 7,617.77 and 3,162.42 is: 4,364.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.13 : 7,617.77 = 3,162.42 : x
  2. Step 2: Convert to fraction form
    5,520.13/7,617.77 = 3,162.42/x
  3. Step 3: Cross multiply
    5,520.13x = 7,617.77 × 3,162.42
  4. Step 4: Simplify right side
    5,520.13x = 24,090,588.20
  5. Step 5: Solve for x
    x = 24,090,588.20/5,520.13
  6. Step 6: Final answer
    x = 4,364.13

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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.