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Finding the Fourth Proportional to 5,722.16, 8,568.22 and 4,605.65

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Solution

The fourth proportional to 5,722.16, 8,568.22 and 4,605.65 is: 6,896.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722.16 : 8,568.22 = 4,605.65 : x
  2. Step 2: Convert to fraction form
    5,722.16/8,568.22 = 4,605.65/x
  3. Step 3: Cross multiply
    5,722.16x = 8,568.22 × 4,605.65
  4. Step 4: Simplify right side
    5,722.16x = 39,462,191.12
  5. Step 5: Solve for x
    x = 39,462,191.12/5,722.16
  6. Step 6: Final answer
    x = 6,896.38

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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.