Home / 4,682.16-7,020.88-1,561.08

Finding the Fourth Proportional to 4,682.16, 7,020.88 and 1,561.08

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Solution

The fourth proportional to 4,682.16, 7,020.88 and 1,561.08 is: 2,340.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,682.16 : 7,020.88 = 1,561.08 : x
  2. Step 2: Convert to fraction form
    4,682.16/7,020.88 = 1,561.08/x
  3. Step 3: Cross multiply
    4,682.16x = 7,020.88 × 1,561.08
  4. Step 4: Simplify right side
    4,682.16x = 10,960,155.35
  5. Step 5: Solve for x
    x = 10,960,155.35/4,682.16
  6. Step 6: Final answer
    x = 2,340.83

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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.