Home / 9,142.98-13,713.08-2,902.18

Finding the Fourth Proportional to 9,142.98, 13,713.08 and 2,902.18

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Solution

The fourth proportional to 9,142.98, 13,713.08 and 2,902.18 is: 4,352.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.98 : 13,713.08 = 2,902.18 : x
  2. Step 2: Convert to fraction form
    9,142.98/13,713.08 = 2,902.18/x
  3. Step 3: Cross multiply
    9,142.98x = 13,713.08 × 2,902.18
  4. Step 4: Simplify right side
    9,142.98x = 39,797,829.14
  5. Step 5: Solve for x
    x = 39,797,829.14/9,142.98
  6. Step 6: Final answer
    x = 4,352.83

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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.