Home / 9,117.26-12,581.58-5,138.29

Finding the Fourth Proportional to 9,117.26, 12,581.58 and 5,138.29

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Solution

The fourth proportional to 9,117.26, 12,581.58 and 5,138.29 is: 7,090.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.26 : 12,581.58 = 5,138.29 : x
  2. Step 2: Convert to fraction form
    9,117.26/12,581.58 = 5,138.29/x
  3. Step 3: Cross multiply
    9,117.26x = 12,581.58 × 5,138.29
  4. Step 4: Simplify right side
    9,117.26x = 64,647,742.02
  5. Step 5: Solve for x
    x = 64,647,742.02/9,117.26
  6. Step 6: Final answer
    x = 7,090.70

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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.