Home / 7,890.01-11,837.07-2,959.74

Finding the Fourth Proportional to 7,890.01, 11,837.07 and 2,959.74

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Solution

The fourth proportional to 7,890.01, 11,837.07 and 2,959.74 is: 4,440.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.01 : 11,837.07 = 2,959.74 : x
  2. Step 2: Convert to fraction form
    7,890.01/11,837.07 = 2,959.74/x
  3. Step 3: Cross multiply
    7,890.01x = 11,837.07 × 2,959.74
  4. Step 4: Simplify right side
    7,890.01x = 35,034,686.55
  5. Step 5: Solve for x
    x = 35,034,686.55/7,890.01
  6. Step 6: Final answer
    x = 4,440.39

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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.