Home / 5,020.99-6,929.19-2,782.91

Finding the Fourth Proportional to 5,020.99, 6,929.19 and 2,782.91

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Solution

The fourth proportional to 5,020.99, 6,929.19 and 2,782.91 is: 3,840.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.99 : 6,929.19 = 2,782.91 : x
  2. Step 2: Convert to fraction form
    5,020.99/6,929.19 = 2,782.91/x
  3. Step 3: Cross multiply
    5,020.99x = 6,929.19 × 2,782.91
  4. Step 4: Simplify right side
    5,020.99x = 19,283,326.91
  5. Step 5: Solve for x
    x = 19,283,326.91/5,020.99
  6. Step 6: Final answer
    x = 3,840.55

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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.