Home / 8,713.42-12,022.77-5,527.96

Finding the Fourth Proportional to 8,713.42, 12,022.77 and 5,527.96

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Solution

The fourth proportional to 8,713.42, 12,022.77 and 5,527.96 is: 7,627.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.42 : 12,022.77 = 5,527.96 : x
  2. Step 2: Convert to fraction form
    8,713.42/12,022.77 = 5,527.96/x
  3. Step 3: Cross multiply
    8,713.42x = 12,022.77 × 5,527.96
  4. Step 4: Simplify right side
    8,713.42x = 66,461,391.65
  5. Step 5: Solve for x
    x = 66,461,391.65/8,713.42
  6. Step 6: Final answer
    x = 7,627.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.