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Finding the Fourth Proportional to 5,354.79, 8,030.19 and 1,843.80

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Solution

The fourth proportional to 5,354.79, 8,030.19 and 1,843.80 is: 2,765.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.79 : 8,030.19 = 1,843.80 : x
  2. Step 2: Convert to fraction form
    5,354.79/8,030.19 = 1,843.80/x
  3. Step 3: Cross multiply
    5,354.79x = 8,030.19 × 1,843.80
  4. Step 4: Simplify right side
    5,354.79x = 14,806,064.32
  5. Step 5: Solve for x
    x = 14,806,064.32/5,354.79
  6. Step 6: Final answer
    x = 2,765.01

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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.