Home / 7,469.40-11,204.10-3,970.20

Finding the Fourth Proportional to 7,469.40, 11,204.10 and 3,970.20

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Solution

The fourth proportional to 7,469.40, 11,204.10 and 3,970.20 is: 5,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.40 : 11,204.10 = 3,970.20 : x
  2. Step 2: Convert to fraction form
    7,469.40/11,204.10 = 3,970.20/x
  3. Step 3: Cross multiply
    7,469.40x = 11,204.10 × 3,970.20
  4. Step 4: Simplify right side
    7,469.40x = 44,482,517.82
  5. Step 5: Solve for x
    x = 44,482,517.82/7,469.40
  6. Step 6: Final answer
    x = 5,955.30

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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.