Home / 6,985.35-9,641.84-4,154.73

Finding the Fourth Proportional to 6,985.35, 9,641.84 and 4,154.73

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Solution

The fourth proportional to 6,985.35, 9,641.84 and 4,154.73 is: 5,734.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.35 : 9,641.84 = 4,154.73 : x
  2. Step 2: Convert to fraction form
    6,985.35/9,641.84 = 4,154.73/x
  3. Step 3: Cross multiply
    6,985.35x = 9,641.84 × 4,154.73
  4. Step 4: Simplify right side
    6,985.35x = 40,059,241.90
  5. Step 5: Solve for x
    x = 40,059,241.90/6,985.35
  6. Step 6: Final answer
    x = 5,734.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.