Home / 7,230.60-10,838.70-3,328.20

Finding the Fourth Proportional to 7,230.60, 10,838.70 and 3,328.20

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Solution

The fourth proportional to 7,230.60, 10,838.70 and 3,328.20 is: 4,988.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230.60 : 10,838.70 = 3,328.20 : x
  2. Step 2: Convert to fraction form
    7,230.60/10,838.70 = 3,328.20/x
  3. Step 3: Cross multiply
    7,230.60x = 10,838.70 × 3,328.20
  4. Step 4: Simplify right side
    7,230.60x = 36,073,361.34
  5. Step 5: Solve for x
    x = 36,073,361.34/7,230.60
  6. Step 6: Final answer
    x = 4,988.99

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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.