Home / 4,722.28-7,084.32-1,800.34

Finding the Fourth Proportional to 4,722.28, 7,084.32 and 1,800.34

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Solution

The fourth proportional to 4,722.28, 7,084.32 and 1,800.34 is: 2,700.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.28 : 7,084.32 = 1,800.34 : x
  2. Step 2: Convert to fraction form
    4,722.28/7,084.32 = 1,800.34/x
  3. Step 3: Cross multiply
    4,722.28x = 7,084.32 × 1,800.34
  4. Step 4: Simplify right side
    4,722.28x = 12,754,184.67
  5. Step 5: Solve for x
    x = 12,754,184.67/4,722.28
  6. Step 6: Final answer
    x = 2,700.85

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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.