Home / 6,897.28-10,286.21-5,863.84

Finding the Fourth Proportional to 6,897.28, 10,286.21 and 5,863.84

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Solution

The fourth proportional to 6,897.28, 10,286.21 and 5,863.84 is: 8,745.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.28 : 10,286.21 = 5,863.84 : x
  2. Step 2: Convert to fraction form
    6,897.28/10,286.21 = 5,863.84/x
  3. Step 3: Cross multiply
    6,897.28x = 10,286.21 × 5,863.84
  4. Step 4: Simplify right side
    6,897.28x = 60,316,689.65
  5. Step 5: Solve for x
    x = 60,316,689.65/6,897.28
  6. Step 6: Final answer
    x = 8,745.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.