Home / 6,897.68-10,351.65-3,389.57

Finding the Fourth Proportional to 6,897.68, 10,351.65 and 3,389.57

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Solution

The fourth proportional to 6,897.68, 10,351.65 and 3,389.57 is: 5,086.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.68 : 10,351.65 = 3,389.57 : x
  2. Step 2: Convert to fraction form
    6,897.68/10,351.65 = 3,389.57/x
  3. Step 3: Cross multiply
    6,897.68x = 10,351.65 × 3,389.57
  4. Step 4: Simplify right side
    6,897.68x = 35,087,642.29
  5. Step 5: Solve for x
    x = 35,087,642.29/6,897.68
  6. Step 6: Final answer
    x = 5,086.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.