Home / 4,519.70-6,781.56-2,875.82

Finding the Fourth Proportional to 4,519.70, 6,781.56 and 2,875.82

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Solution

The fourth proportional to 4,519.70, 6,781.56 and 2,875.82 is: 4,315.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,519.70 : 6,781.56 = 2,875.82 : x
  2. Step 2: Convert to fraction form
    4,519.70/6,781.56 = 2,875.82/x
  3. Step 3: Cross multiply
    4,519.70x = 6,781.56 × 2,875.82
  4. Step 4: Simplify right side
    4,519.70x = 19,502,545.88
  5. Step 5: Solve for x
    x = 19,502,545.88/4,519.70
  6. Step 6: Final answer
    x = 4,315.01

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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.