Home / 7,782.12-10,738.89-4,424.46

Finding the Fourth Proportional to 7,782.12, 10,738.89 and 4,424.46

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Solution

The fourth proportional to 7,782.12, 10,738.89 and 4,424.46 is: 6,105.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782.12 : 10,738.89 = 4,424.46 : x
  2. Step 2: Convert to fraction form
    7,782.12/10,738.89 = 4,424.46/x
  3. Step 3: Cross multiply
    7,782.12x = 10,738.89 × 4,424.46
  4. Step 4: Simplify right side
    7,782.12x = 47,513,789.25
  5. Step 5: Solve for x
    x = 47,513,789.25/7,782.12
  6. Step 6: Final answer
    x = 6,105.51

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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.