Home / 5,535.60-8,308.80-2,765.40

Finding the Fourth Proportional to 5,535.60, 8,308.80 and 2,765.40

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Solution

The fourth proportional to 5,535.60, 8,308.80 and 2,765.40 is: 4,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.60 : 8,308.80 = 2,765.40 : x
  2. Step 2: Convert to fraction form
    5,535.60/8,308.80 = 2,765.40/x
  3. Step 3: Cross multiply
    5,535.60x = 8,308.80 × 2,765.40
  4. Step 4: Simplify right side
    5,535.60x = 22,977,155.52
  5. Step 5: Solve for x
    x = 22,977,155.52/5,535.60
  6. Step 6: Final answer
    x = 4,150.80

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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.