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Finding the Fourth Proportional to 5,779.94, 8,669.93 and 1,397.39

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Solution

The fourth proportional to 5,779.94, 8,669.93 and 1,397.39 is: 2,096.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.94 : 8,669.93 = 1,397.39 : x
  2. Step 2: Convert to fraction form
    5,779.94/8,669.93 = 1,397.39/x
  3. Step 3: Cross multiply
    5,779.94x = 8,669.93 × 1,397.39
  4. Step 4: Simplify right side
    5,779.94x = 12,115,223.15
  5. Step 5: Solve for x
    x = 12,115,223.15/5,779.94
  6. Step 6: Final answer
    x = 2,096.08

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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.