Home / 4,167.40-6,247.98-1,392.46

Finding the Fourth Proportional to 4,167.40, 6,247.98 and 1,392.46

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Solution

The fourth proportional to 4,167.40, 6,247.98 and 1,392.46 is: 2,087.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.40 : 6,247.98 = 1,392.46 : x
  2. Step 2: Convert to fraction form
    4,167.40/6,247.98 = 1,392.46/x
  3. Step 3: Cross multiply
    4,167.40x = 6,247.98 × 1,392.46
  4. Step 4: Simplify right side
    4,167.40x = 8,700,062.23
  5. Step 5: Solve for x
    x = 8,700,062.23/4,167.40
  6. Step 6: Final answer
    x = 2,087.65

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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.