Home / 4,680.20-7,019.44-1,718

Finding the Fourth Proportional to 4,680.20, 7,019.44 and 1,718

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Solution

The fourth proportional to 4,680.20, 7,019.44 and 1,718 is: 2,576.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.20 : 7,019.44 = 1,718 : x
  2. Step 2: Convert to fraction form
    4,680.20/7,019.44 = 1,718/x
  3. Step 3: Cross multiply
    4,680.20x = 7,019.44 × 1,718
  4. Step 4: Simplify right side
    4,680.20x = 12,059,397.92
  5. Step 5: Solve for x
    x = 12,059,397.92/4,680.20
  6. Step 6: Final answer
    x = 2,576.68

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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.