Home / 4,810.91-7,208.15-2,615.72

Finding the Fourth Proportional to 4,810.91, 7,208.15 and 2,615.72

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Solution

The fourth proportional to 4,810.91, 7,208.15 and 2,615.72 is: 3,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.91 : 7,208.15 = 2,615.72 : x
  2. Step 2: Convert to fraction form
    4,810.91/7,208.15 = 2,615.72/x
  3. Step 3: Cross multiply
    4,810.91x = 7,208.15 × 2,615.72
  4. Step 4: Simplify right side
    4,810.91x = 18,854,502.12
  5. Step 5: Solve for x
    x = 18,854,502.12/4,810.91
  6. Step 6: Final answer
    x = 3,919.11

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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.