Home / 10,650.08-15,975.20-2,858.72

Finding the Fourth Proportional to 10,650.08, 15,975.20 and 2,858.72

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Solution

The fourth proportional to 10,650.08, 15,975.20 and 2,858.72 is: 4,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,650.08 : 15,975.20 = 2,858.72 : x
  2. Step 2: Convert to fraction form
    10,650.08/15,975.20 = 2,858.72/x
  3. Step 3: Cross multiply
    10,650.08x = 15,975.20 × 2,858.72
  4. Step 4: Simplify right side
    10,650.08x = 45,668,623.74
  5. Step 5: Solve for x
    x = 45,668,623.74/10,650.08
  6. Step 6: Final answer
    x = 4,288.10

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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.