Home / 5,715.62-8,568.82-5,254.30

Finding the Fourth Proportional to 5,715.62, 8,568.82 and 5,254.30

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Solution

The fourth proportional to 5,715.62, 8,568.82 and 5,254.30 is: 7,877.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.62 : 8,568.82 = 5,254.30 : x
  2. Step 2: Convert to fraction form
    5,715.62/8,568.82 = 5,254.30/x
  3. Step 3: Cross multiply
    5,715.62x = 8,568.82 × 5,254.30
  4. Step 4: Simplify right side
    5,715.62x = 45,023,148.50
  5. Step 5: Solve for x
    x = 45,023,148.50/5,715.62
  6. Step 6: Final answer
    x = 7,877.21

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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.