Home / 5,728.55-8,591.42-2,217.40

Finding the Fourth Proportional to 5,728.55, 8,591.42 and 2,217.40

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Solution

The fourth proportional to 5,728.55, 8,591.42 and 2,217.40 is: 3,325.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.55 : 8,591.42 = 2,217.40 : x
  2. Step 2: Convert to fraction form
    5,728.55/8,591.42 = 2,217.40/x
  3. Step 3: Cross multiply
    5,728.55x = 8,591.42 × 2,217.40
  4. Step 4: Simplify right side
    5,728.55x = 19,050,598.77
  5. Step 5: Solve for x
    x = 19,050,598.77/5,728.55
  6. Step 6: Final answer
    x = 3,325.56

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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.