Home / 7,961.43-10,950.24-6,386.07

Finding the Fourth Proportional to 7,961.43, 10,950.24 and 6,386.07

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Solution

The fourth proportional to 7,961.43, 10,950.24 and 6,386.07 is: 8,783.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.43 : 10,950.24 = 6,386.07 : x
  2. Step 2: Convert to fraction form
    7,961.43/10,950.24 = 6,386.07/x
  3. Step 3: Cross multiply
    7,961.43x = 10,950.24 × 6,386.07
  4. Step 4: Simplify right side
    7,961.43x = 69,928,999.16
  5. Step 5: Solve for x
    x = 69,928,999.16/7,961.43
  6. Step 6: Final answer
    x = 8,783.47

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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.