Home / 9,287.55-13,931.39-2,718.31

Finding the Fourth Proportional to 9,287.55, 13,931.39 and 2,718.31

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Solution

The fourth proportional to 9,287.55, 13,931.39 and 2,718.31 is: 4,077.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287.55 : 13,931.39 = 2,718.31 : x
  2. Step 2: Convert to fraction form
    9,287.55/13,931.39 = 2,718.31/x
  3. Step 3: Cross multiply
    9,287.55x = 13,931.39 × 2,718.31
  4. Step 4: Simplify right side
    9,287.55x = 37,869,836.75
  5. Step 5: Solve for x
    x = 37,869,836.75/9,287.55
  6. Step 6: Final answer
    x = 4,077.48

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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.