Home / 8,177.40-12,258.81-6,802.02

Finding the Fourth Proportional to 8,177.40, 12,258.81 and 6,802.02

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Solution

The fourth proportional to 8,177.40, 12,258.81 and 6,802.02 is: 10,196.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.40 : 12,258.81 = 6,802.02 : x
  2. Step 2: Convert to fraction form
    8,177.40/12,258.81 = 6,802.02/x
  3. Step 3: Cross multiply
    8,177.40x = 12,258.81 × 6,802.02
  4. Step 4: Simplify right side
    8,177.40x = 83,384,670.80
  5. Step 5: Solve for x
    x = 83,384,670.80/8,177.40
  6. Step 6: Final answer
    x = 10,196.97

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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.