Home / 4,233.30-6,339.15-3,131.70

Finding the Fourth Proportional to 4,233.30, 6,339.15 and 3,131.70

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Solution

The fourth proportional to 4,233.30, 6,339.15 and 3,131.70 is: 4,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,233.30 : 6,339.15 = 3,131.70 : x
  2. Step 2: Convert to fraction form
    4,233.30/6,339.15 = 3,131.70/x
  3. Step 3: Cross multiply
    4,233.30x = 6,339.15 × 3,131.70
  4. Step 4: Simplify right side
    4,233.30x = 19,852,316.06
  5. Step 5: Solve for x
    x = 19,852,316.06/4,233.30
  6. Step 6: Final answer
    x = 4,689.56

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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.