Home / 6,945.39-10,422.14-4,177.35

Finding the Fourth Proportional to 6,945.39, 10,422.14 and 4,177.35

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Solution

The fourth proportional to 6,945.39, 10,422.14 and 4,177.35 is: 6,268.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.39 : 10,422.14 = 4,177.35 : x
  2. Step 2: Convert to fraction form
    6,945.39/10,422.14 = 4,177.35/x
  3. Step 3: Cross multiply
    6,945.39x = 10,422.14 × 4,177.35
  4. Step 4: Simplify right side
    6,945.39x = 43,536,905.64
  5. Step 5: Solve for x
    x = 43,536,905.64/6,945.39
  6. Step 6: Final answer
    x = 6,268.46

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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.