Home / 9,137.04-12,610.32-5,159.44

Finding the Fourth Proportional to 9,137.04, 12,610.32 and 5,159.44

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Solution

The fourth proportional to 9,137.04, 12,610.32 and 5,159.44 is: 7,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.04 : 12,610.32 = 5,159.44 : x
  2. Step 2: Convert to fraction form
    9,137.04/12,610.32 = 5,159.44/x
  3. Step 3: Cross multiply
    9,137.04x = 12,610.32 × 5,159.44
  4. Step 4: Simplify right side
    9,137.04x = 65,062,189.42
  5. Step 5: Solve for x
    x = 65,062,189.42/9,137.04
  6. Step 6: Final answer
    x = 7,120.71

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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.