Home / 10,575.78-15,866.04-3,556.08

Finding the Fourth Proportional to 10,575.78, 15,866.04 and 3,556.08

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Solution

The fourth proportional to 10,575.78, 15,866.04 and 3,556.08 is: 5,334.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,575.78 : 15,866.04 = 3,556.08 : x
  2. Step 2: Convert to fraction form
    10,575.78/15,866.04 = 3,556.08/x
  3. Step 3: Cross multiply
    10,575.78x = 15,866.04 × 3,556.08
  4. Step 4: Simplify right side
    10,575.78x = 56,420,907.52
  5. Step 5: Solve for x
    x = 56,420,907.52/10,575.78
  6. Step 6: Final answer
    x = 5,334.92

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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.