Home / 6,844.90-9,445.95-3,860.72

Finding the Fourth Proportional to 6,844.90, 9,445.95 and 3,860.72

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Solution

The fourth proportional to 6,844.90, 9,445.95 and 3,860.72 is: 5,327.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,844.90 : 9,445.95 = 3,860.72 : x
  2. Step 2: Convert to fraction form
    6,844.90/9,445.95 = 3,860.72/x
  3. Step 3: Cross multiply
    6,844.90x = 9,445.95 × 3,860.72
  4. Step 4: Simplify right side
    6,844.90x = 36,468,168.08
  5. Step 5: Solve for x
    x = 36,468,168.08/6,844.90
  6. Step 6: Final answer
    x = 5,327.79

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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.