Home / 7,839.28-10,818.33-4,302.49

Finding the Fourth Proportional to 7,839.28, 10,818.33 and 4,302.49

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Solution

The fourth proportional to 7,839.28, 10,818.33 and 4,302.49 is: 5,937.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.28 : 10,818.33 = 4,302.49 : x
  2. Step 2: Convert to fraction form
    7,839.28/10,818.33 = 4,302.49/x
  3. Step 3: Cross multiply
    7,839.28x = 10,818.33 × 4,302.49
  4. Step 4: Simplify right side
    7,839.28x = 46,545,800.47
  5. Step 5: Solve for x
    x = 46,545,800.47/7,839.28
  6. Step 6: Final answer
    x = 5,937.51

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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.