Home / 8,281.26-12,420.23-4,062.71

Finding the Fourth Proportional to 8,281.26, 12,420.23 and 4,062.71

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Solution

The fourth proportional to 8,281.26, 12,420.23 and 4,062.71 is: 6,093.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.26 : 12,420.23 = 4,062.71 : x
  2. Step 2: Convert to fraction form
    8,281.26/12,420.23 = 4,062.71/x
  3. Step 3: Cross multiply
    8,281.26x = 12,420.23 × 4,062.71
  4. Step 4: Simplify right side
    8,281.26x = 50,459,803.36
  5. Step 5: Solve for x
    x = 50,459,803.36/8,281.26
  6. Step 6: Final answer
    x = 6,093.25

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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.