Home / 9,159.74-13,740.69-2,917.58

Finding the Fourth Proportional to 9,159.74, 13,740.69 and 2,917.58

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Solution

The fourth proportional to 9,159.74, 13,740.69 and 2,917.58 is: 4,376.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.74 : 13,740.69 = 2,917.58 : x
  2. Step 2: Convert to fraction form
    9,159.74/13,740.69 = 2,917.58/x
  3. Step 3: Cross multiply
    9,159.74x = 13,740.69 × 2,917.58
  4. Step 4: Simplify right side
    9,159.74x = 40,089,562.33
  5. Step 5: Solve for x
    x = 40,089,562.33/9,159.74
  6. Step 6: Final answer
    x = 4,376.71

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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.