Home / 5,531.20-8,296.80-1,635.60

Finding the Fourth Proportional to 5,531.20, 8,296.80 and 1,635.60

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Solution

The fourth proportional to 5,531.20, 8,296.80 and 1,635.60 is: 2,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.20 : 8,296.80 = 1,635.60 : x
  2. Step 2: Convert to fraction form
    5,531.20/8,296.80 = 1,635.60/x
  3. Step 3: Cross multiply
    5,531.20x = 8,296.80 × 1,635.60
  4. Step 4: Simplify right side
    5,531.20x = 13,570,246.08
  5. Step 5: Solve for x
    x = 13,570,246.08/5,531.20
  6. Step 6: Final answer
    x = 2,453.40

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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.