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Finding the Fourth Proportional to 5,553.83, 8,290.22 and 4,853.18

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Solution

The fourth proportional to 5,553.83, 8,290.22 and 4,853.18 is: 7,244.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.83 : 8,290.22 = 4,853.18 : x
  2. Step 2: Convert to fraction form
    5,553.83/8,290.22 = 4,853.18/x
  3. Step 3: Cross multiply
    5,553.83x = 8,290.22 × 4,853.18
  4. Step 4: Simplify right side
    5,553.83x = 40,233,926.36
  5. Step 5: Solve for x
    x = 40,233,926.36/5,553.83
  6. Step 6: Final answer
    x = 7,244.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.