Home / 8,704.47-13,051.31-2,859.51

Finding the Fourth Proportional to 8,704.47, 13,051.31 and 2,859.51

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Solution

The fourth proportional to 8,704.47, 13,051.31 and 2,859.51 is: 4,287.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.47 : 13,051.31 = 2,859.51 : x
  2. Step 2: Convert to fraction form
    8,704.47/13,051.31 = 2,859.51/x
  3. Step 3: Cross multiply
    8,704.47x = 13,051.31 × 2,859.51
  4. Step 4: Simplify right side
    8,704.47x = 37,320,337.16
  5. Step 5: Solve for x
    x = 37,320,337.16/8,704.47
  6. Step 6: Final answer
    x = 4,287.49

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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.