Home / 4,191.84-6,275.45-2,938.07

Finding the Fourth Proportional to 4,191.84, 6,275.45 and 2,938.07

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Solution

The fourth proportional to 4,191.84, 6,275.45 and 2,938.07 is: 4,398.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.84 : 6,275.45 = 2,938.07 : x
  2. Step 2: Convert to fraction form
    4,191.84/6,275.45 = 2,938.07/x
  3. Step 3: Cross multiply
    4,191.84x = 6,275.45 × 2,938.07
  4. Step 4: Simplify right side
    4,191.84x = 18,437,711.38
  5. Step 5: Solve for x
    x = 18,437,711.38/4,191.84
  6. Step 6: Final answer
    x = 4,398.48

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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.