Home / 6,668.81-9,196.98-5,553.44

Finding the Fourth Proportional to 6,668.81, 9,196.98 and 5,553.44

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Solution

The fourth proportional to 6,668.81, 9,196.98 and 5,553.44 is: 7,658.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668.81 : 9,196.98 = 5,553.44 : x
  2. Step 2: Convert to fraction form
    6,668.81/9,196.98 = 5,553.44/x
  3. Step 3: Cross multiply
    6,668.81x = 9,196.98 × 5,553.44
  4. Step 4: Simplify right side
    6,668.81x = 51,074,876.61
  5. Step 5: Solve for x
    x = 51,074,876.61/6,668.81
  6. Step 6: Final answer
    x = 7,658.77

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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.