Home / 7,556.31-11,326.86-2,875.11

Finding the Fourth Proportional to 7,556.31, 11,326.86 and 2,875.11

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Solution

The fourth proportional to 7,556.31, 11,326.86 and 2,875.11 is: 4,309.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,556.31 : 11,326.86 = 2,875.11 : x
  2. Step 2: Convert to fraction form
    7,556.31/11,326.86 = 2,875.11/x
  3. Step 3: Cross multiply
    7,556.31x = 11,326.86 × 2,875.11
  4. Step 4: Simplify right side
    7,556.31x = 32,565,968.45
  5. Step 5: Solve for x
    x = 32,565,968.45/7,556.31
  6. Step 6: Final answer
    x = 4,309.77

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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.