Home / 8,568.28-12,866.37-5,302.18

Finding the Fourth Proportional to 8,568.28, 12,866.37 and 5,302.18

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Solution

The fourth proportional to 8,568.28, 12,866.37 and 5,302.18 is: 7,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.28 : 12,866.37 = 5,302.18 : x
  2. Step 2: Convert to fraction form
    8,568.28/12,866.37 = 5,302.18/x
  3. Step 3: Cross multiply
    8,568.28x = 12,866.37 × 5,302.18
  4. Step 4: Simplify right side
    8,568.28x = 68,219,809.69
  5. Step 5: Solve for x
    x = 68,219,809.69/8,568.28
  6. Step 6: Final answer
    x = 7,961.90

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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.