Home / 7,767.62-10,719.29-4,230.82

Finding the Fourth Proportional to 7,767.62, 10,719.29 and 4,230.82

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Solution

The fourth proportional to 7,767.62, 10,719.29 and 4,230.82 is: 5,838.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.62 : 10,719.29 = 4,230.82 : x
  2. Step 2: Convert to fraction form
    7,767.62/10,719.29 = 4,230.82/x
  3. Step 3: Cross multiply
    7,767.62x = 10,719.29 × 4,230.82
  4. Step 4: Simplify right side
    7,767.62x = 45,351,370.30
  5. Step 5: Solve for x
    x = 45,351,370.30/7,767.62
  6. Step 6: Final answer
    x = 5,838.52

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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.