Home / 6,614.10-9,921.38-3,325.40

Finding the Fourth Proportional to 6,614.10, 9,921.38 and 3,325.40

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Solution

The fourth proportional to 6,614.10, 9,921.38 and 3,325.40 is: 4,988.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,614.10 : 9,921.38 = 3,325.40 : x
  2. Step 2: Convert to fraction form
    6,614.10/9,921.38 = 3,325.40/x
  3. Step 3: Cross multiply
    6,614.10x = 9,921.38 × 3,325.40
  4. Step 4: Simplify right side
    6,614.10x = 32,992,590.17
  5. Step 5: Solve for x
    x = 32,992,590.17/6,614.10
  6. Step 6: Final answer
    x = 4,988.22

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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.