Home / 6,938.46-10,407.51-3,238.65

Finding the Fourth Proportional to 6,938.46, 10,407.51 and 3,238.65

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Solution

The fourth proportional to 6,938.46, 10,407.51 and 3,238.65 is: 4,857.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.46 : 10,407.51 = 3,238.65 : x
  2. Step 2: Convert to fraction form
    6,938.46/10,407.51 = 3,238.65/x
  3. Step 3: Cross multiply
    6,938.46x = 10,407.51 × 3,238.65
  4. Step 4: Simplify right side
    6,938.46x = 33,706,282.26
  5. Step 5: Solve for x
    x = 33,706,282.26/6,938.46
  6. Step 6: Final answer
    x = 4,857.89

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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.