Home / 9,135.27-13,706.55-4,751.55

Finding the Fourth Proportional to 9,135.27, 13,706.55 and 4,751.55

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Solution

The fourth proportional to 9,135.27, 13,706.55 and 4,751.55 is: 7,129.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.27 : 13,706.55 = 4,751.55 : x
  2. Step 2: Convert to fraction form
    9,135.27/13,706.55 = 4,751.55/x
  3. Step 3: Cross multiply
    9,135.27x = 13,706.55 × 4,751.55
  4. Step 4: Simplify right side
    9,135.27x = 65,127,357.65
  5. Step 5: Solve for x
    x = 65,127,357.65/9,135.27
  6. Step 6: Final answer
    x = 7,129.22

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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.