Home / 6,838.81-10,258.68-2,159.03

Finding the Fourth Proportional to 6,838.81, 10,258.68 and 2,159.03

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Solution

The fourth proportional to 6,838.81, 10,258.68 and 2,159.03 is: 3,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.81 : 10,258.68 = 2,159.03 : x
  2. Step 2: Convert to fraction form
    6,838.81/10,258.68 = 2,159.03/x
  3. Step 3: Cross multiply
    6,838.81x = 10,258.68 × 2,159.03
  4. Step 4: Simplify right side
    6,838.81x = 22,148,831.62
  5. Step 5: Solve for x
    x = 22,148,831.62/6,838.81
  6. Step 6: Final answer
    x = 3,238.70

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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.