Home / 4,356.89-6,498.66-3,957.78

Finding the Fourth Proportional to 4,356.89, 6,498.66 and 3,957.78

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Solution

The fourth proportional to 4,356.89, 6,498.66 and 3,957.78 is: 5,903.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,356.89 : 6,498.66 = 3,957.78 : x
  2. Step 2: Convert to fraction form
    4,356.89/6,498.66 = 3,957.78/x
  3. Step 3: Cross multiply
    4,356.89x = 6,498.66 × 3,957.78
  4. Step 4: Simplify right side
    4,356.89x = 25,720,266.57
  5. Step 5: Solve for x
    x = 25,720,266.57/4,356.89
  6. Step 6: Final answer
    x = 5,903.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.