Home / 7,775.73-10,727.43-4,418.08

Finding the Fourth Proportional to 7,775.73, 10,727.43 and 4,418.08

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Solution

The fourth proportional to 7,775.73, 10,727.43 and 4,418.08 is: 6,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775.73 : 10,727.43 = 4,418.08 : x
  2. Step 2: Convert to fraction form
    7,775.73/10,727.43 = 4,418.08/x
  3. Step 3: Cross multiply
    7,775.73x = 10,727.43 × 4,418.08
  4. Step 4: Simplify right side
    7,775.73x = 47,394,617.12
  5. Step 5: Solve for x
    x = 47,394,617.12/7,775.73
  6. Step 6: Final answer
    x = 6,095.20

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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.