Home / 5,715.80-8,559.30-3,757.40

Finding the Fourth Proportional to 5,715.80, 8,559.30 and 3,757.40

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Solution

The fourth proportional to 5,715.80, 8,559.30 and 3,757.40 is: 5,626.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.80 : 8,559.30 = 3,757.40 : x
  2. Step 2: Convert to fraction form
    5,715.80/8,559.30 = 3,757.40/x
  3. Step 3: Cross multiply
    5,715.80x = 8,559.30 × 3,757.40
  4. Step 4: Simplify right side
    5,715.80x = 32,160,713.82
  5. Step 5: Solve for x
    x = 32,160,713.82/5,715.80
  6. Step 6: Final answer
    x = 5,626.63

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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.