Home / 9,089.20-13,619.40-5,796.40

Finding the Fourth Proportional to 9,089.20, 13,619.40 and 5,796.40

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Solution

The fourth proportional to 9,089.20, 13,619.40 and 5,796.40 is: 8,685.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089.20 : 13,619.40 = 5,796.40 : x
  2. Step 2: Convert to fraction form
    9,089.20/13,619.40 = 5,796.40/x
  3. Step 3: Cross multiply
    9,089.20x = 13,619.40 × 5,796.40
  4. Step 4: Simplify right side
    9,089.20x = 78,943,490.16
  5. Step 5: Solve for x
    x = 78,943,490.16/9,089.20
  6. Step 6: Final answer
    x = 8,685.42

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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.