Home / 4,012.20-5,538.77-2,520.93

Finding the Fourth Proportional to 4,012.20, 5,538.77 and 2,520.93

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Solution

The fourth proportional to 4,012.20, 5,538.77 and 2,520.93 is: 3,480.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.20 : 5,538.77 = 2,520.93 : x
  2. Step 2: Convert to fraction form
    4,012.20/5,538.77 = 2,520.93/x
  3. Step 3: Cross multiply
    4,012.20x = 5,538.77 × 2,520.93
  4. Step 4: Simplify right side
    4,012.20x = 13,962,869.08
  5. Step 5: Solve for x
    x = 13,962,869.08/4,012.20
  6. Step 6: Final answer
    x = 3,480.10

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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.