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Finding the Fourth Proportional to 5,053.18, 6,922.89 and 4,863.79

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Solution

The fourth proportional to 5,053.18, 6,922.89 and 4,863.79 is: 6,663.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.18 : 6,922.89 = 4,863.79 : x
  2. Step 2: Convert to fraction form
    5,053.18/6,922.89 = 4,863.79/x
  3. Step 3: Cross multiply
    5,053.18x = 6,922.89 × 4,863.79
  4. Step 4: Simplify right side
    5,053.18x = 33,671,500.46
  5. Step 5: Solve for x
    x = 33,671,500.46/5,053.18
  6. Step 6: Final answer
    x = 6,663.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.