Home / 9,404.26-12,977.61-5,155.40

Finding the Fourth Proportional to 9,404.26, 12,977.61 and 5,155.40

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Solution

The fourth proportional to 9,404.26, 12,977.61 and 5,155.40 is: 7,114.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,404.26 : 12,977.61 = 5,155.40 : x
  2. Step 2: Convert to fraction form
    9,404.26/12,977.61 = 5,155.40/x
  3. Step 3: Cross multiply
    9,404.26x = 12,977.61 × 5,155.40
  4. Step 4: Simplify right side
    9,404.26x = 66,904,770.59
  5. Step 5: Solve for x
    x = 66,904,770.59/9,404.26
  6. Step 6: Final answer
    x = 7,114.30

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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.