Home / 6,654.29-9,987.57-3,369.71

Finding the Fourth Proportional to 6,654.29, 9,987.57 and 3,369.71

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Solution

The fourth proportional to 6,654.29, 9,987.57 and 3,369.71 is: 5,057.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654.29 : 9,987.57 = 3,369.71 : x
  2. Step 2: Convert to fraction form
    6,654.29/9,987.57 = 3,369.71/x
  3. Step 3: Cross multiply
    6,654.29x = 9,987.57 × 3,369.71
  4. Step 4: Simplify right side
    6,654.29x = 33,655,214.50
  5. Step 5: Solve for x
    x = 33,655,214.50/6,654.29
  6. Step 6: Final answer
    x = 5,057.67

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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.