Home / 5,715.20-8,572.99-1,966.94

Finding the Fourth Proportional to 5,715.20, 8,572.99 and 1,966.94

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Solution

The fourth proportional to 5,715.20, 8,572.99 and 1,966.94 is: 2,950.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.20 : 8,572.99 = 1,966.94 : x
  2. Step 2: Convert to fraction form
    5,715.20/8,572.99 = 1,966.94/x
  3. Step 3: Cross multiply
    5,715.20x = 8,572.99 × 1,966.94
  4. Step 4: Simplify right side
    5,715.20x = 16,862,556.95
  5. Step 5: Solve for x
    x = 16,862,556.95/5,715.20
  6. Step 6: Final answer
    x = 2,950.48

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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.