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Finding the Fourth Proportional to 6,239.19, 9,358.80 and 1,622.19

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Solution

The fourth proportional to 6,239.19, 9,358.80 and 1,622.19 is: 2,433.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.19 : 9,358.80 = 1,622.19 : x
  2. Step 2: Convert to fraction form
    6,239.19/9,358.80 = 1,622.19/x
  3. Step 3: Cross multiply
    6,239.19x = 9,358.80 × 1,622.19
  4. Step 4: Simplify right side
    6,239.19x = 15,181,751.77
  5. Step 5: Solve for x
    x = 15,181,751.77/6,239.19
  6. Step 6: Final answer
    x = 2,433.29

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Similar ratio
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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.