Home / 8,470.11-11,687.58-4,692.34

Finding the Fourth Proportional to 8,470.11, 11,687.58 and 4,692.34

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Solution

The fourth proportional to 8,470.11, 11,687.58 and 4,692.34 is: 6,474.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470.11 : 11,687.58 = 4,692.34 : x
  2. Step 2: Convert to fraction form
    8,470.11/11,687.58 = 4,692.34/x
  3. Step 3: Cross multiply
    8,470.11x = 11,687.58 × 4,692.34
  4. Step 4: Simplify right side
    8,470.11x = 54,842,099.14
  5. Step 5: Solve for x
    x = 54,842,099.14/8,470.11
  6. Step 6: Final answer
    x = 6,474.78

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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.