Home / 8,302.92-12,456.81-2,459.67

Finding the Fourth Proportional to 8,302.92, 12,456.81 and 2,459.67

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Solution

The fourth proportional to 8,302.92, 12,456.81 and 2,459.67 is: 3,690.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.92 : 12,456.81 = 2,459.67 : x
  2. Step 2: Convert to fraction form
    8,302.92/12,456.81 = 2,459.67/x
  3. Step 3: Cross multiply
    8,302.92x = 12,456.81 × 2,459.67
  4. Step 4: Simplify right side
    8,302.92x = 30,639,641.85
  5. Step 5: Solve for x
    x = 30,639,641.85/8,302.92
  6. Step 6: Final answer
    x = 3,690.22

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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.