Home / 6,654.61-9,183.78-3,670.45

Finding the Fourth Proportional to 6,654.61, 9,183.78 and 3,670.45

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Solution

The fourth proportional to 6,654.61, 9,183.78 and 3,670.45 is: 5,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654.61 : 9,183.78 = 3,670.45 : x
  2. Step 2: Convert to fraction form
    6,654.61/9,183.78 = 3,670.45/x
  3. Step 3: Cross multiply
    6,654.61x = 9,183.78 × 3,670.45
  4. Step 4: Simplify right side
    6,654.61x = 33,708,605.30
  5. Step 5: Solve for x
    x = 33,708,605.30/6,654.61
  6. Step 6: Final answer
    x = 5,065.45

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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.