Home / 7,738.30-10,672.68-5,088.43

Finding the Fourth Proportional to 7,738.30, 10,672.68 and 5,088.43

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Solution

The fourth proportional to 7,738.30, 10,672.68 and 5,088.43 is: 7,017.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.30 : 10,672.68 = 5,088.43 : x
  2. Step 2: Convert to fraction form
    7,738.30/10,672.68 = 5,088.43/x
  3. Step 3: Cross multiply
    7,738.30x = 10,672.68 × 5,088.43
  4. Step 4: Simplify right side
    7,738.30x = 54,307,185.09
  5. Step 5: Solve for x
    x = 54,307,185.09/7,738.30
  6. Step 6: Final answer
    x = 7,017.97

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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.