Home / 5,528.80-8,295.60-2,605.60

Finding the Fourth Proportional to 5,528.80, 8,295.60 and 2,605.60

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Solution

The fourth proportional to 5,528.80, 8,295.60 and 2,605.60 is: 3,909.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.80 : 8,295.60 = 2,605.60 : x
  2. Step 2: Convert to fraction form
    5,528.80/8,295.60 = 2,605.60/x
  3. Step 3: Cross multiply
    5,528.80x = 8,295.60 × 2,605.60
  4. Step 4: Simplify right side
    5,528.80x = 21,615,015.36
  5. Step 5: Solve for x
    x = 21,615,015.36/5,528.80
  6. Step 6: Final answer
    x = 3,909.53

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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.