Home / 5,019.65-6,927.02-2,781.52

Finding the Fourth Proportional to 5,019.65, 6,927.02 and 2,781.52

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Solution

The fourth proportional to 5,019.65, 6,927.02 and 2,781.52 is: 3,838.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.65 : 6,927.02 = 2,781.52 : x
  2. Step 2: Convert to fraction form
    5,019.65/6,927.02 = 2,781.52/x
  3. Step 3: Cross multiply
    5,019.65x = 6,927.02 × 2,781.52
  4. Step 4: Simplify right side
    5,019.65x = 19,267,610.04
  5. Step 5: Solve for x
    x = 19,267,610.04/5,019.65
  6. Step 6: Final answer
    x = 3,838.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.