Home / 7,744.24-10,687.43-4,387.20

Finding the Fourth Proportional to 7,744.24, 10,687.43 and 4,387.20

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Solution

The fourth proportional to 7,744.24, 10,687.43 and 4,387.20 is: 6,054.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.24 : 10,687.43 = 4,387.20 : x
  2. Step 2: Convert to fraction form
    7,744.24/10,687.43 = 4,387.20/x
  3. Step 3: Cross multiply
    7,744.24x = 10,687.43 × 4,387.20
  4. Step 4: Simplify right side
    7,744.24x = 46,887,892.90
  5. Step 5: Solve for x
    x = 46,887,892.90/7,744.24
  6. Step 6: Final answer
    x = 6,054.55

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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.