Home / 8,313.22-12,472.17-3,386.39

Finding the Fourth Proportional to 8,313.22, 12,472.17 and 3,386.39

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Solution

The fourth proportional to 8,313.22, 12,472.17 and 3,386.39 is: 5,080.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.22 : 12,472.17 = 3,386.39 : x
  2. Step 2: Convert to fraction form
    8,313.22/12,472.17 = 3,386.39/x
  3. Step 3: Cross multiply
    8,313.22x = 12,472.17 × 3,386.39
  4. Step 4: Simplify right side
    8,313.22x = 42,235,631.77
  5. Step 5: Solve for x
    x = 42,235,631.77/8,313.22
  6. Step 6: Final answer
    x = 5,080.54

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1.5x scale

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.