Home / 8,886.40-13,331.04-3,692.56

Finding the Fourth Proportional to 8,886.40, 13,331.04 and 3,692.56

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Solution

The fourth proportional to 8,886.40, 13,331.04 and 3,692.56 is: 5,539.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.40 : 13,331.04 = 3,692.56 : x
  2. Step 2: Convert to fraction form
    8,886.40/13,331.04 = 3,692.56/x
  3. Step 3: Cross multiply
    8,886.40x = 13,331.04 × 3,692.56
  4. Step 4: Simplify right side
    8,886.40x = 49,225,665.06
  5. Step 5: Solve for x
    x = 49,225,665.06/8,886.40
  6. Step 6: Final answer
    x = 5,539.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.