Home / 8,071.31-12,099.02-3,392.65

Finding the Fourth Proportional to 8,071.31, 12,099.02 and 3,392.65

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Solution

The fourth proportional to 8,071.31, 12,099.02 and 3,392.65 is: 5,085.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.31 : 12,099.02 = 3,392.65 : x
  2. Step 2: Convert to fraction form
    8,071.31/12,099.02 = 3,392.65/x
  3. Step 3: Cross multiply
    8,071.31x = 12,099.02 × 3,392.65
  4. Step 4: Simplify right side
    8,071.31x = 41,047,723.24
  5. Step 5: Solve for x
    x = 41,047,723.24/8,071.31
  6. Step 6: Final answer
    x = 5,085.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.