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Finding the Fourth Proportional to 6,663.33, 10,006.34 and 6,384.69

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Solution

The fourth proportional to 6,663.33, 10,006.34 and 6,384.69 is: 9,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.33 : 10,006.34 = 6,384.69 : x
  2. Step 2: Convert to fraction form
    6,663.33/10,006.34 = 6,384.69/x
  3. Step 3: Cross multiply
    6,663.33x = 10,006.34 × 6,384.69
  4. Step 4: Simplify right side
    6,663.33x = 63,887,378.93
  5. Step 5: Solve for x
    x = 63,887,378.93/6,663.33
  6. Step 6: Final answer
    x = 9,587.91

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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.