Home / 4,283.20-5,909.16-3,166.78

Finding the Fourth Proportional to 4,283.20, 5,909.16 and 3,166.78

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Solution

The fourth proportional to 4,283.20, 5,909.16 and 3,166.78 is: 4,368.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.20 : 5,909.16 = 3,166.78 : x
  2. Step 2: Convert to fraction form
    4,283.20/5,909.16 = 3,166.78/x
  3. Step 3: Cross multiply
    4,283.20x = 5,909.16 × 3,166.78
  4. Step 4: Simplify right side
    4,283.20x = 18,713,009.70
  5. Step 5: Solve for x
    x = 18,713,009.70/4,283.20
  6. Step 6: Final answer
    x = 4,368.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.