Home / 6,902.40-9,524.88-4,107.36

Finding the Fourth Proportional to 6,902.40, 9,524.88 and 4,107.36

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Solution

The fourth proportional to 6,902.40, 9,524.88 and 4,107.36 is: 5,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,902.40 : 9,524.88 = 4,107.36 : x
  2. Step 2: Convert to fraction form
    6,902.40/9,524.88 = 4,107.36/x
  3. Step 3: Cross multiply
    6,902.40x = 9,524.88 × 4,107.36
  4. Step 4: Simplify right side
    6,902.40x = 39,122,111.12
  5. Step 5: Solve for x
    x = 39,122,111.12/6,902.40
  6. Step 6: Final answer
    x = 5,667.90

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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.