Home / 9,057.12-12,499.14-5,282.70

Finding the Fourth Proportional to 9,057.12, 12,499.14 and 5,282.70

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Solution

The fourth proportional to 9,057.12, 12,499.14 and 5,282.70 is: 7,290.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,057.12 : 12,499.14 = 5,282.70 : x
  2. Step 2: Convert to fraction form
    9,057.12/12,499.14 = 5,282.70/x
  3. Step 3: Cross multiply
    9,057.12x = 12,499.14 × 5,282.70
  4. Step 4: Simplify right side
    9,057.12x = 66,029,206.88
  5. Step 5: Solve for x
    x = 66,029,206.88/9,057.12
  6. Step 6: Final answer
    x = 7,290.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.