Home / 5,330.10-7,991.25-2,554.38

Finding the Fourth Proportional to 5,330.10, 7,991.25 and 2,554.38

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Solution

The fourth proportional to 5,330.10, 7,991.25 and 2,554.38 is: 3,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.10 : 7,991.25 = 2,554.38 : x
  2. Step 2: Convert to fraction form
    5,330.10/7,991.25 = 2,554.38/x
  3. Step 3: Cross multiply
    5,330.10x = 7,991.25 × 2,554.38
  4. Step 4: Simplify right side
    5,330.10x = 20,412,689.18
  5. Step 5: Solve for x
    x = 20,412,689.18/5,330.10
  6. Step 6: Final answer
    x = 3,829.70

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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.