Home / 6,666.91-9,196.20-5,343.77

Finding the Fourth Proportional to 6,666.91, 9,196.20 and 5,343.77

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Solution

The fourth proportional to 6,666.91, 9,196.20 and 5,343.77 is: 7,371.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.91 : 9,196.20 = 5,343.77 : x
  2. Step 2: Convert to fraction form
    6,666.91/9,196.20 = 5,343.77/x
  3. Step 3: Cross multiply
    6,666.91x = 9,196.20 × 5,343.77
  4. Step 4: Simplify right side
    6,666.91x = 49,142,400.66
  5. Step 5: Solve for x
    x = 49,142,400.66/6,666.91
  6. Step 6: Final answer
    x = 7,371.09

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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.