Home / 4,680.38-7,020.10-1,560.05

Finding the Fourth Proportional to 4,680.38, 7,020.10 and 1,560.05

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Solution

The fourth proportional to 4,680.38, 7,020.10 and 1,560.05 is: 2,339.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.38 : 7,020.10 = 1,560.05 : x
  2. Step 2: Convert to fraction form
    4,680.38/7,020.10 = 1,560.05/x
  3. Step 3: Cross multiply
    4,680.38x = 7,020.10 × 1,560.05
  4. Step 4: Simplify right side
    4,680.38x = 10,951,707.01
  5. Step 5: Solve for x
    x = 10,951,707.01/4,680.38
  6. Step 6: Final answer
    x = 2,339.92

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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.