Home / 4,283.57-5,909.66-2,689.55

Finding the Fourth Proportional to 4,283.57, 5,909.66 and 2,689.55

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Solution

The fourth proportional to 4,283.57, 5,909.66 and 2,689.55 is: 3,710.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.57 : 5,909.66 = 2,689.55 : x
  2. Step 2: Convert to fraction form
    4,283.57/5,909.66 = 2,689.55/x
  3. Step 3: Cross multiply
    4,283.57x = 5,909.66 × 2,689.55
  4. Step 4: Simplify right side
    4,283.57x = 15,894,296.50
  5. Step 5: Solve for x
    x = 15,894,296.50/4,283.57
  6. Step 6: Final answer
    x = 3,710.53

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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.