Home / 5,700.42-8,550.45-2,189.52

Finding the Fourth Proportional to 5,700.42, 8,550.45 and 2,189.52

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Solution

The fourth proportional to 5,700.42, 8,550.45 and 2,189.52 is: 3,284.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,700.42 : 8,550.45 = 2,189.52 : x
  2. Step 2: Convert to fraction form
    5,700.42/8,550.45 = 2,189.52/x
  3. Step 3: Cross multiply
    5,700.42x = 8,550.45 × 2,189.52
  4. Step 4: Simplify right side
    5,700.42x = 18,721,381.28
  5. Step 5: Solve for x
    x = 18,721,381.28/5,700.42
  6. Step 6: Final answer
    x = 3,284.21

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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.