Home / 7,767.54-10,719.26-4,230.68

Finding the Fourth Proportional to 7,767.54, 10,719.26 and 4,230.68

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Solution

The fourth proportional to 7,767.54, 10,719.26 and 4,230.68 is: 5,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.54 : 10,719.26 = 4,230.68 : x
  2. Step 2: Convert to fraction form
    7,767.54/10,719.26 = 4,230.68/x
  3. Step 3: Cross multiply
    7,767.54x = 10,719.26 × 4,230.68
  4. Step 4: Simplify right side
    7,767.54x = 45,349,758.90
  5. Step 5: Solve for x
    x = 45,349,758.90/7,767.54
  6. Step 6: Final answer
    x = 5,838.37

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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.