Home / 4,233.60-6,348.78-1,311.93

Finding the Fourth Proportional to 4,233.60, 6,348.78 and 1,311.93

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Solution

The fourth proportional to 4,233.60, 6,348.78 and 1,311.93 is: 1,967.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,233.60 : 6,348.78 = 1,311.93 : x
  2. Step 2: Convert to fraction form
    4,233.60/6,348.78 = 1,311.93/x
  3. Step 3: Cross multiply
    4,233.60x = 6,348.78 × 1,311.93
  4. Step 4: Simplify right side
    4,233.60x = 8,329,154.95
  5. Step 5: Solve for x
    x = 8,329,154.95/4,233.60
  6. Step 6: Final answer
    x = 1,967.39

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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.