Home / 6,108.30-9,160.74-5,127.48

Finding the Fourth Proportional to 6,108.30, 9,160.74 and 5,127.48

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Solution

The fourth proportional to 6,108.30, 9,160.74 and 5,127.48 is: 7,689.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.30 : 9,160.74 = 5,127.48 : x
  2. Step 2: Convert to fraction form
    6,108.30/9,160.74 = 5,127.48/x
  3. Step 3: Cross multiply
    6,108.30x = 9,160.74 × 5,127.48
  4. Step 4: Simplify right side
    6,108.30x = 46,971,511.14
  5. Step 5: Solve for x
    x = 46,971,511.14/6,108.30
  6. Step 6: Final answer
    x = 7,689.78

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1.5x scale

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.