Home / 5,020.22-6,927.79-2,782.07

Finding the Fourth Proportional to 5,020.22, 6,927.79 and 2,782.07

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Solution

The fourth proportional to 5,020.22, 6,927.79 and 2,782.07 is: 3,839.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.22 : 6,927.79 = 2,782.07 : x
  2. Step 2: Convert to fraction form
    5,020.22/6,927.79 = 2,782.07/x
  3. Step 3: Cross multiply
    5,020.22x = 6,927.79 × 2,782.07
  4. Step 4: Simplify right side
    5,020.22x = 19,273,582.81
  5. Step 5: Solve for x
    x = 19,273,582.81/5,020.22
  6. Step 6: Final answer
    x = 3,839.19

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1.5x scale

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.