Home / 7,546.40-11,319.60-6,336.80

Finding the Fourth Proportional to 7,546.40, 11,319.60 and 6,336.80

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Solution

The fourth proportional to 7,546.40, 11,319.60 and 6,336.80 is: 9,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,546.40 : 11,319.60 = 6,336.80 : x
  2. Step 2: Convert to fraction form
    7,546.40/11,319.60 = 6,336.80/x
  3. Step 3: Cross multiply
    7,546.40x = 11,319.60 × 6,336.80
  4. Step 4: Simplify right side
    7,546.40x = 71,730,041.28
  5. Step 5: Solve for x
    x = 71,730,041.28/7,546.40
  6. Step 6: Final answer
    x = 9,505.20

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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.