Home / 8,178.48-12,266.39-2,333.72

Finding the Fourth Proportional to 8,178.48, 12,266.39 and 2,333.72

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Solution

The fourth proportional to 8,178.48, 12,266.39 and 2,333.72 is: 3,500.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178.48 : 12,266.39 = 2,333.72 : x
  2. Step 2: Convert to fraction form
    8,178.48/12,266.39 = 2,333.72/x
  3. Step 3: Cross multiply
    8,178.48x = 12,266.39 × 2,333.72
  4. Step 4: Simplify right side
    8,178.48x = 28,626,246.67
  5. Step 5: Solve for x
    x = 28,626,246.67/8,178.48
  6. Step 6: Final answer
    x = 3,500.19

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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.