Home / 6,270.89-8,656.79-3,617.84

Finding the Fourth Proportional to 6,270.89, 8,656.79 and 3,617.84

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Solution

The fourth proportional to 6,270.89, 8,656.79 and 3,617.84 is: 4,994.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.89 : 8,656.79 = 3,617.84 : x
  2. Step 2: Convert to fraction form
    6,270.89/8,656.79 = 3,617.84/x
  3. Step 3: Cross multiply
    6,270.89x = 8,656.79 × 3,617.84
  4. Step 4: Simplify right side
    6,270.89x = 31,318,884.69
  5. Step 5: Solve for x
    x = 31,318,884.69/6,270.89
  6. Step 6: Final answer
    x = 4,994.33

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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.