Home / 8,695.09-13,037.76-2,851.21

Finding the Fourth Proportional to 8,695.09, 13,037.76 and 2,851.21

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Solution

The fourth proportional to 8,695.09, 13,037.76 and 2,851.21 is: 4,275.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.09 : 13,037.76 = 2,851.21 : x
  2. Step 2: Convert to fraction form
    8,695.09/13,037.76 = 2,851.21/x
  3. Step 3: Cross multiply
    8,695.09x = 13,037.76 × 2,851.21
  4. Step 4: Simplify right side
    8,695.09x = 37,173,391.69
  5. Step 5: Solve for x
    x = 37,173,391.69/8,695.09
  6. Step 6: Final answer
    x = 4,275.22

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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.