Home / 9,328.11-12,874.55-5,351.82

Finding the Fourth Proportional to 9,328.11, 12,874.55 and 5,351.82

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Solution

The fourth proportional to 9,328.11, 12,874.55 and 5,351.82 is: 7,386.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.11 : 12,874.55 = 5,351.82 : x
  2. Step 2: Convert to fraction form
    9,328.11/12,874.55 = 5,351.82/x
  3. Step 3: Cross multiply
    9,328.11x = 12,874.55 × 5,351.82
  4. Step 4: Simplify right side
    9,328.11x = 68,902,247.42
  5. Step 5: Solve for x
    x = 68,902,247.42/9,328.11
  6. Step 6: Final answer
    x = 7,386.52

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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.