Home / 8,217.20-12,316.55-4,048.38

Finding the Fourth Proportional to 8,217.20, 12,316.55 and 4,048.38

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Solution

The fourth proportional to 8,217.20, 12,316.55 and 4,048.38 is: 6,068.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.20 : 12,316.55 = 4,048.38 : x
  2. Step 2: Convert to fraction form
    8,217.20/12,316.55 = 4,048.38/x
  3. Step 3: Cross multiply
    8,217.20x = 12,316.55 × 4,048.38
  4. Step 4: Simplify right side
    8,217.20x = 49,862,074.69
  5. Step 5: Solve for x
    x = 49,862,074.69/8,217.20
  6. Step 6: Final answer
    x = 6,068.01

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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.