Home / 7,839.20-10,818.11-4,302.43

Finding the Fourth Proportional to 7,839.20, 10,818.11 and 4,302.43

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Solution

The fourth proportional to 7,839.20, 10,818.11 and 4,302.43 is: 5,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.20 : 10,818.11 = 4,302.43 : x
  2. Step 2: Convert to fraction form
    7,839.20/10,818.11 = 4,302.43/x
  3. Step 3: Cross multiply
    7,839.20x = 10,818.11 × 4,302.43
  4. Step 4: Simplify right side
    7,839.20x = 46,544,161.01
  5. Step 5: Solve for x
    x = 46,544,161.01/7,839.20
  6. Step 6: Final answer
    x = 5,937.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.