Home / 6,844.55-9,445.36-3,860.39

Finding the Fourth Proportional to 6,844.55, 9,445.36 and 3,860.39

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Solution

The fourth proportional to 6,844.55, 9,445.36 and 3,860.39 is: 5,327.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,844.55 : 9,445.36 = 3,860.39 : x
  2. Step 2: Convert to fraction form
    6,844.55/9,445.36 = 3,860.39/x
  3. Step 3: Cross multiply
    6,844.55x = 9,445.36 × 3,860.39
  4. Step 4: Simplify right side
    6,844.55x = 36,462,753.99
  5. Step 5: Solve for x
    x = 36,462,753.99/6,844.55
  6. Step 6: Final answer
    x = 5,327.27

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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.