Home / 4,278.59-6,414.77-2,888.49

Finding the Fourth Proportional to 4,278.59, 6,414.77 and 2,888.49

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Solution

The fourth proportional to 4,278.59, 6,414.77 and 2,888.49 is: 4,330.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.59 : 6,414.77 = 2,888.49 : x
  2. Step 2: Convert to fraction form
    4,278.59/6,414.77 = 2,888.49/x
  3. Step 3: Cross multiply
    4,278.59x = 6,414.77 × 2,888.49
  4. Step 4: Simplify right side
    4,278.59x = 18,528,984.55
  5. Step 5: Solve for x
    x = 18,528,984.55/4,278.59
  6. Step 6: Final answer
    x = 4,330.63

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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.