Home / 8,243.07-12,370.73-5,127.60

Finding the Fourth Proportional to 8,243.07, 12,370.73 and 5,127.60

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Solution

The fourth proportional to 8,243.07, 12,370.73 and 5,127.60 is: 7,695.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.07 : 12,370.73 = 5,127.60 : x
  2. Step 2: Convert to fraction form
    8,243.07/12,370.73 = 5,127.60/x
  3. Step 3: Cross multiply
    8,243.07x = 12,370.73 × 5,127.60
  4. Step 4: Simplify right side
    8,243.07x = 63,432,175.90
  5. Step 5: Solve for x
    x = 63,432,175.90/8,243.07
  6. Step 6: Final answer
    x = 7,695.22

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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.