Home / 9,424.78-14,139.76-2,851.22

Finding the Fourth Proportional to 9,424.78, 14,139.76 and 2,851.22

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Solution

The fourth proportional to 9,424.78, 14,139.76 and 2,851.22 is: 4,277.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,424.78 : 14,139.76 = 2,851.22 : x
  2. Step 2: Convert to fraction form
    9,424.78/14,139.76 = 2,851.22/x
  3. Step 3: Cross multiply
    9,424.78x = 14,139.76 × 2,851.22
  4. Step 4: Simplify right side
    9,424.78x = 40,315,566.51
  5. Step 5: Solve for x
    x = 40,315,566.51/9,424.78
  6. Step 6: Final answer
    x = 4,277.61

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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.