Home / 7,839.24-10,818.12-4,302.48

Finding the Fourth Proportional to 7,839.24, 10,818.12 and 4,302.48

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Solution

The fourth proportional to 7,839.24, 10,818.12 and 4,302.48 is: 5,937.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.24 : 10,818.12 = 4,302.48 : x
  2. Step 2: Convert to fraction form
    7,839.24/10,818.12 = 4,302.48/x
  3. Step 3: Cross multiply
    7,839.24x = 10,818.12 × 4,302.48
  4. Step 4: Simplify right side
    7,839.24x = 46,544,744.94
  5. Step 5: Solve for x
    x = 46,544,744.94/7,839.24
  6. Step 6: Final answer
    x = 5,937.41

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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.