Home / 9,317.19-12,857.82-5,125.44

Finding the Fourth Proportional to 9,317.19, 12,857.82 and 5,125.44

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Solution

The fourth proportional to 9,317.19, 12,857.82 and 5,125.44 is: 7,073.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.19 : 12,857.82 = 5,125.44 : x
  2. Step 2: Convert to fraction form
    9,317.19/12,857.82 = 5,125.44/x
  3. Step 3: Cross multiply
    9,317.19x = 12,857.82 × 5,125.44
  4. Step 4: Simplify right side
    9,317.19x = 65,901,984.94
  5. Step 5: Solve for x
    x = 65,901,984.94/9,317.19
  6. Step 6: Final answer
    x = 7,073.16

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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.