Home / 6,947.39-10,425.14-4,179.35

Finding the Fourth Proportional to 6,947.39, 10,425.14 and 4,179.35

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Solution

The fourth proportional to 6,947.39, 10,425.14 and 4,179.35 is: 6,271.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.39 : 10,425.14 = 4,179.35 : x
  2. Step 2: Convert to fraction form
    6,947.39/10,425.14 = 4,179.35/x
  3. Step 3: Cross multiply
    6,947.39x = 10,425.14 × 4,179.35
  4. Step 4: Simplify right side
    6,947.39x = 43,570,308.86
  5. Step 5: Solve for x
    x = 43,570,308.86/6,947.39
  6. Step 6: Final answer
    x = 6,271.46

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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.