Home / 4,187.80-6,275.30-3,957.40

Finding the Fourth Proportional to 4,187.80, 6,275.30 and 3,957.40

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Solution

The fourth proportional to 4,187.80, 6,275.30 and 3,957.40 is: 5,930.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.80 : 6,275.30 = 3,957.40 : x
  2. Step 2: Convert to fraction form
    4,187.80/6,275.30 = 3,957.40/x
  3. Step 3: Cross multiply
    4,187.80x = 6,275.30 × 3,957.40
  4. Step 4: Simplify right side
    4,187.80x = 24,833,872.22
  5. Step 5: Solve for x
    x = 24,833,872.22/4,187.80
  6. Step 6: Final answer
    x = 5,930.05

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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.