Home / 7,839.26-10,818.15-4,302.40

Finding the Fourth Proportional to 7,839.26, 10,818.15 and 4,302.40

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Solution

The fourth proportional to 7,839.26, 10,818.15 and 4,302.40 is: 5,937.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.26 : 10,818.15 = 4,302.40 : x
  2. Step 2: Convert to fraction form
    7,839.26/10,818.15 = 4,302.40/x
  3. Step 3: Cross multiply
    7,839.26x = 10,818.15 × 4,302.40
  4. Step 4: Simplify right side
    7,839.26x = 46,543,965.38
  5. Step 5: Solve for x
    x = 46,543,965.38/7,839.26
  6. Step 6: Final answer
    x = 5,937.29

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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.