Home / 6,765.13-10,148.64-2,085.52

Finding the Fourth Proportional to 6,765.13, 10,148.64 and 2,085.52

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Solution

The fourth proportional to 6,765.13, 10,148.64 and 2,085.52 is: 3,128.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.13 : 10,148.64 = 2,085.52 : x
  2. Step 2: Convert to fraction form
    6,765.13/10,148.64 = 2,085.52/x
  3. Step 3: Cross multiply
    6,765.13x = 10,148.64 × 2,085.52
  4. Step 4: Simplify right side
    6,765.13x = 21,165,191.69
  5. Step 5: Solve for x
    x = 21,165,191.69/6,765.13
  6. Step 6: Final answer
    x = 3,128.57

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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.