Home / 6,626.40-9,930.26-5,233.60

Finding the Fourth Proportional to 6,626.40, 9,930.26 and 5,233.60

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Solution

The fourth proportional to 6,626.40, 9,930.26 and 5,233.60 is: 7,843.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.40 : 9,930.26 = 5,233.60 : x
  2. Step 2: Convert to fraction form
    6,626.40/9,930.26 = 5,233.60/x
  3. Step 3: Cross multiply
    6,626.40x = 9,930.26 × 5,233.60
  4. Step 4: Simplify right side
    6,626.40x = 51,971,008.74
  5. Step 5: Solve for x
    x = 51,971,008.74/6,626.40
  6. Step 6: Final answer
    x = 7,843.02

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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.