Home / 8,356.98-12,536.51-2,810.91

Finding the Fourth Proportional to 8,356.98, 12,536.51 and 2,810.91

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Solution

The fourth proportional to 8,356.98, 12,536.51 and 2,810.91 is: 4,216.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.98 : 12,536.51 = 2,810.91 : x
  2. Step 2: Convert to fraction form
    8,356.98/12,536.51 = 2,810.91/x
  3. Step 3: Cross multiply
    8,356.98x = 12,536.51 × 2,810.91
  4. Step 4: Simplify right side
    8,356.98x = 35,238,987.27
  5. Step 5: Solve for x
    x = 35,238,987.27/8,356.98
  6. Step 6: Final answer
    x = 4,216.71

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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.