Home / 6,774.32-9,347.70-3,942.60

Finding the Fourth Proportional to 6,774.32, 9,347.70 and 3,942.60

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Solution

The fourth proportional to 6,774.32, 9,347.70 and 3,942.60 is: 5,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,774.32 : 9,347.70 = 3,942.60 : x
  2. Step 2: Convert to fraction form
    6,774.32/9,347.70 = 3,942.60/x
  3. Step 3: Cross multiply
    6,774.32x = 9,347.70 × 3,942.60
  4. Step 4: Simplify right side
    6,774.32x = 36,854,242.02
  5. Step 5: Solve for x
    x = 36,854,242.02/6,774.32
  6. Step 6: Final answer
    x = 5,440.29

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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.