Home / 9,630.67-13,290.51-5,438.92

Finding the Fourth Proportional to 9,630.67, 13,290.51 and 5,438.92

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Solution

The fourth proportional to 9,630.67, 13,290.51 and 5,438.92 is: 7,505.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,630.67 : 13,290.51 = 5,438.92 : x
  2. Step 2: Convert to fraction form
    9,630.67/13,290.51 = 5,438.92/x
  3. Step 3: Cross multiply
    9,630.67x = 13,290.51 × 5,438.92
  4. Step 4: Simplify right side
    9,630.67x = 72,286,020.65
  5. Step 5: Solve for x
    x = 72,286,020.65/9,630.67
  6. Step 6: Final answer
    x = 7,505.81

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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.