Home / 9,183.20-13,774.80-5,284.40

Finding the Fourth Proportional to 9,183.20, 13,774.80 and 5,284.40

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Solution

The fourth proportional to 9,183.20, 13,774.80 and 5,284.40 is: 7,926.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,183.20 : 13,774.80 = 5,284.40 : x
  2. Step 2: Convert to fraction form
    9,183.20/13,774.80 = 5,284.40/x
  3. Step 3: Cross multiply
    9,183.20x = 13,774.80 × 5,284.40
  4. Step 4: Simplify right side
    9,183.20x = 72,791,553.12
  5. Step 5: Solve for x
    x = 72,791,553.12/9,183.20
  6. Step 6: Final answer
    x = 7,926.60

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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.