Home / 6,939.95-10,407.20-2,258.81

Finding the Fourth Proportional to 6,939.95, 10,407.20 and 2,258.81

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Solution

The fourth proportional to 6,939.95, 10,407.20 and 2,258.81 is: 3,387.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.95 : 10,407.20 = 2,258.81 : x
  2. Step 2: Convert to fraction form
    6,939.95/10,407.20 = 2,258.81/x
  3. Step 3: Cross multiply
    6,939.95x = 10,407.20 × 2,258.81
  4. Step 4: Simplify right side
    6,939.95x = 23,507,919.10
  5. Step 5: Solve for x
    x = 23,507,919.10/6,939.95
  6. Step 6: Final answer
    x = 3,387.34

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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.