Home / 7,040.62-9,714.50-4,207.57

Finding the Fourth Proportional to 7,040.62, 9,714.50 and 4,207.57

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Solution

The fourth proportional to 7,040.62, 9,714.50 and 4,207.57 is: 5,805.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.62 : 9,714.50 = 4,207.57 : x
  2. Step 2: Convert to fraction form
    7,040.62/9,714.50 = 4,207.57/x
  3. Step 3: Cross multiply
    7,040.62x = 9,714.50 × 4,207.57
  4. Step 4: Simplify right side
    7,040.62x = 40,874,369.15
  5. Step 5: Solve for x
    x = 40,874,369.15/7,040.62
  6. Step 6: Final answer
    x = 5,805.51

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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.