Home / 6,939.81-10,407.35-2,258.66

Finding the Fourth Proportional to 6,939.81, 10,407.35 and 2,258.66

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Solution

The fourth proportional to 6,939.81, 10,407.35 and 2,258.66 is: 3,387.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.81 : 10,407.35 = 2,258.66 : x
  2. Step 2: Convert to fraction form
    6,939.81/10,407.35 = 2,258.66/x
  3. Step 3: Cross multiply
    6,939.81x = 10,407.35 × 2,258.66
  4. Step 4: Simplify right side
    6,939.81x = 23,506,601.82
  5. Step 5: Solve for x
    x = 23,506,601.82/6,939.81
  6. Step 6: Final answer
    x = 3,387.21

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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.