Home / 6,761.04-10,139.99-1,831.06

Finding the Fourth Proportional to 6,761.04, 10,139.99 and 1,831.06

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Solution

The fourth proportional to 6,761.04, 10,139.99 and 1,831.06 is: 2,746.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.04 : 10,139.99 = 1,831.06 : x
  2. Step 2: Convert to fraction form
    6,761.04/10,139.99 = 1,831.06/x
  3. Step 3: Cross multiply
    6,761.04x = 10,139.99 × 1,831.06
  4. Step 4: Simplify right side
    6,761.04x = 18,566,930.09
  5. Step 5: Solve for x
    x = 18,566,930.09/6,761.04
  6. Step 6: Final answer
    x = 2,746.16

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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.