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Finding the Fourth Proportional to 5,699.60, 8,551.02 and 2,779.52

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Solution

The fourth proportional to 5,699.60, 8,551.02 and 2,779.52 is: 4,170.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,699.60 : 8,551.02 = 2,779.52 : x
  2. Step 2: Convert to fraction form
    5,699.60/8,551.02 = 2,779.52/x
  3. Step 3: Cross multiply
    5,699.60x = 8,551.02 × 2,779.52
  4. Step 4: Simplify right side
    5,699.60x = 23,767,731.11
  5. Step 5: Solve for x
    x = 23,767,731.11/5,699.60
  6. Step 6: Final answer
    x = 4,170.07

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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.