Home / 4,013.80-5,538.96-2,335.10

Finding the Fourth Proportional to 4,013.80, 5,538.96 and 2,335.10

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Solution

The fourth proportional to 4,013.80, 5,538.96 and 2,335.10 is: 3,222.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013.80 : 5,538.96 = 2,335.10 : x
  2. Step 2: Convert to fraction form
    4,013.80/5,538.96 = 2,335.10/x
  3. Step 3: Cross multiply
    4,013.80x = 5,538.96 × 2,335.10
  4. Step 4: Simplify right side
    4,013.80x = 12,933,997.80
  5. Step 5: Solve for x
    x = 12,933,997.80/4,013.80
  6. Step 6: Final answer
    x = 3,222.38

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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.