Home / 9,228.71-13,845.26-2,988.72

Finding the Fourth Proportional to 9,228.71, 13,845.26 and 2,988.72

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Solution

The fourth proportional to 9,228.71, 13,845.26 and 2,988.72 is: 4,483.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.71 : 13,845.26 = 2,988.72 : x
  2. Step 2: Convert to fraction form
    9,228.71/13,845.26 = 2,988.72/x
  3. Step 3: Cross multiply
    9,228.71x = 13,845.26 × 2,988.72
  4. Step 4: Simplify right side
    9,228.71x = 41,379,605.47
  5. Step 5: Solve for x
    x = 41,379,605.47/9,228.71
  6. Step 6: Final answer
    x = 4,483.79

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1.5x scale

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.