Home / 6,831.36-10,159.25-6,612.66

Finding the Fourth Proportional to 6,831.36, 10,159.25 and 6,612.66

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Solution

The fourth proportional to 6,831.36, 10,159.25 and 6,612.66 is: 9,834.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.36 : 10,159.25 = 6,612.66 : x
  2. Step 2: Convert to fraction form
    6,831.36/10,159.25 = 6,612.66/x
  3. Step 3: Cross multiply
    6,831.36x = 10,159.25 × 6,612.66
  4. Step 4: Simplify right side
    6,831.36x = 67,179,633.04
  5. Step 5: Solve for x
    x = 67,179,633.04/6,831.36
  6. Step 6: Final answer
    x = 9,834.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.