Home / 9,057.13-12,498.87-5,282.90

Finding the Fourth Proportional to 9,057.13, 12,498.87 and 5,282.90

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Solution

The fourth proportional to 9,057.13, 12,498.87 and 5,282.90 is: 7,290.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,057.13 : 12,498.87 = 5,282.90 : x
  2. Step 2: Convert to fraction form
    9,057.13/12,498.87 = 5,282.90/x
  3. Step 3: Cross multiply
    9,057.13x = 12,498.87 × 5,282.90
  4. Step 4: Simplify right side
    9,057.13x = 66,030,280.32
  5. Step 5: Solve for x
    x = 66,030,280.32/9,057.13
  6. Step 6: Final answer
    x = 7,290.42

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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.