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Finding the Fourth Proportional to 5,721.09, 8,513.11 and 5,701.65

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Solution

The fourth proportional to 5,721.09, 8,513.11 and 5,701.65 is: 8,484.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.09 : 8,513.11 = 5,701.65 : x
  2. Step 2: Convert to fraction form
    5,721.09/8,513.11 = 5,701.65/x
  3. Step 3: Cross multiply
    5,721.09x = 8,513.11 × 5,701.65
  4. Step 4: Simplify right side
    5,721.09x = 48,538,759.38
  5. Step 5: Solve for x
    x = 48,538,759.38/5,721.09
  6. Step 6: Final answer
    x = 8,484.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.