Home / 9,045.64-13,568.78-2,806.28

Finding the Fourth Proportional to 9,045.64, 13,568.78 and 2,806.28

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Solution

The fourth proportional to 9,045.64, 13,568.78 and 2,806.28 is: 4,209.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045.64 : 13,568.78 = 2,806.28 : x
  2. Step 2: Convert to fraction form
    9,045.64/13,568.78 = 2,806.28/x
  3. Step 3: Cross multiply
    9,045.64x = 13,568.78 × 2,806.28
  4. Step 4: Simplify right side
    9,045.64x = 38,077,795.94
  5. Step 5: Solve for x
    x = 38,077,795.94/9,045.64
  6. Step 6: Final answer
    x = 4,209.52

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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.