Home / 4,680.12-7,015.84-1,760.36

Finding the Fourth Proportional to 4,680.12, 7,015.84 and 1,760.36

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Solution

The fourth proportional to 4,680.12, 7,015.84 and 1,760.36 is: 2,638.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.12 : 7,015.84 = 1,760.36 : x
  2. Step 2: Convert to fraction form
    4,680.12/7,015.84 = 1,760.36/x
  3. Step 3: Cross multiply
    4,680.12x = 7,015.84 × 1,760.36
  4. Step 4: Simplify right side
    4,680.12x = 12,350,404.10
  5. Step 5: Solve for x
    x = 12,350,404.10/4,680.12
  6. Step 6: Final answer
    x = 2,638.91

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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.