Home / 7,767.63-10,719.71-4,410.38

Finding the Fourth Proportional to 7,767.63, 10,719.71 and 4,410.38

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Solution

The fourth proportional to 7,767.63, 10,719.71 and 4,410.38 is: 6,086.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.63 : 10,719.71 = 4,410.38 : x
  2. Step 2: Convert to fraction form
    7,767.63/10,719.71 = 4,410.38/x
  3. Step 3: Cross multiply
    7,767.63x = 10,719.71 × 4,410.38
  4. Step 4: Simplify right side
    7,767.63x = 47,278,015.88
  5. Step 5: Solve for x
    x = 47,278,015.88/7,767.63
  6. Step 6: Final answer
    x = 6,086.54

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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.