Home / 6,881.72-10,319.32-2,666.94

Finding the Fourth Proportional to 6,881.72, 10,319.32 and 2,666.94

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Solution

The fourth proportional to 6,881.72, 10,319.32 and 2,666.94 is: 3,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.72 : 10,319.32 = 2,666.94 : x
  2. Step 2: Convert to fraction form
    6,881.72/10,319.32 = 2,666.94/x
  3. Step 3: Cross multiply
    6,881.72x = 10,319.32 × 2,666.94
  4. Step 4: Simplify right side
    6,881.72x = 27,521,007.28
  5. Step 5: Solve for x
    x = 27,521,007.28/6,881.72
  6. Step 6: Final answer
    x = 3,999.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.