Home / 8,689.58-13,032.70-2,448.02

Finding the Fourth Proportional to 8,689.58, 13,032.70 and 2,448.02

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Solution

The fourth proportional to 8,689.58, 13,032.70 and 2,448.02 is: 3,671.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689.58 : 13,032.70 = 2,448.02 : x
  2. Step 2: Convert to fraction form
    8,689.58/13,032.70 = 2,448.02/x
  3. Step 3: Cross multiply
    8,689.58x = 13,032.70 × 2,448.02
  4. Step 4: Simplify right side
    8,689.58x = 31,904,336.72
  5. Step 5: Solve for x
    x = 31,904,336.72/8,689.58
  6. Step 6: Final answer
    x = 3,671.56

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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.