Home / 6,690.42-9,233.26-4,001.74

Finding the Fourth Proportional to 6,690.42, 9,233.26 and 4,001.74

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Solution

The fourth proportional to 6,690.42, 9,233.26 and 4,001.74 is: 5,522.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.42 : 9,233.26 = 4,001.74 : x
  2. Step 2: Convert to fraction form
    6,690.42/9,233.26 = 4,001.74/x
  3. Step 3: Cross multiply
    6,690.42x = 9,233.26 × 4,001.74
  4. Step 4: Simplify right side
    6,690.42x = 36,949,072.78
  5. Step 5: Solve for x
    x = 36,949,072.78/6,690.42
  6. Step 6: Final answer
    x = 5,522.68

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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.