Home / 4,680.74-7,020.77-1,562.78

Finding the Fourth Proportional to 4,680.74, 7,020.77 and 1,562.78

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Solution

The fourth proportional to 4,680.74, 7,020.77 and 1,562.78 is: 2,344.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.74 : 7,020.77 = 1,562.78 : x
  2. Step 2: Convert to fraction form
    4,680.74/7,020.77 = 1,562.78/x
  3. Step 3: Cross multiply
    4,680.74x = 7,020.77 × 1,562.78
  4. Step 4: Simplify right side
    4,680.74x = 10,971,876.02
  5. Step 5: Solve for x
    x = 10,971,876.02/4,680.74
  6. Step 6: Final answer
    x = 2,344.05

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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.