Home / 9,302.19-12,837.87-6,115.65

Finding the Fourth Proportional to 9,302.19, 12,837.87 and 6,115.65

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Solution

The fourth proportional to 9,302.19, 12,837.87 and 6,115.65 is: 8,440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,302.19 : 12,837.87 = 6,115.65 : x
  2. Step 2: Convert to fraction form
    9,302.19/12,837.87 = 6,115.65/x
  3. Step 3: Cross multiply
    9,302.19x = 12,837.87 × 6,115.65
  4. Step 4: Simplify right side
    9,302.19x = 78,511,919.67
  5. Step 5: Solve for x
    x = 78,511,919.67/9,302.19
  6. Step 6: Final answer
    x = 8,440.15

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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.