Home / 4,089.96-6,135.72-2,917.08

Finding the Fourth Proportional to 4,089.96, 6,135.72 and 2,917.08

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Solution

The fourth proportional to 4,089.96, 6,135.72 and 2,917.08 is: 4,376.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.96 : 6,135.72 = 2,917.08 : x
  2. Step 2: Convert to fraction form
    4,089.96/6,135.72 = 2,917.08/x
  3. Step 3: Cross multiply
    4,089.96x = 6,135.72 × 2,917.08
  4. Step 4: Simplify right side
    4,089.96x = 17,898,386.10
  5. Step 5: Solve for x
    x = 17,898,386.10/4,089.96
  6. Step 6: Final answer
    x = 4,376.18

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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.