Home / 9,157.38-13,737.50-2,918.79

Finding the Fourth Proportional to 9,157.38, 13,737.50 and 2,918.79

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Solution

The fourth proportional to 9,157.38, 13,737.50 and 2,918.79 is: 4,378.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157.38 : 13,737.50 = 2,918.79 : x
  2. Step 2: Convert to fraction form
    9,157.38/13,737.50 = 2,918.79/x
  3. Step 3: Cross multiply
    9,157.38x = 13,737.50 × 2,918.79
  4. Step 4: Simplify right side
    9,157.38x = 40,096,877.63
  5. Step 5: Solve for x
    x = 40,096,877.63/9,157.38
  6. Step 6: Final answer
    x = 4,378.64

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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.