Home / 5,332.52-7,998.80-3,688.60

Finding the Fourth Proportional to 5,332.52, 7,998.80 and 3,688.60

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Solution

The fourth proportional to 5,332.52, 7,998.80 and 3,688.60 is: 5,532.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,332.52 : 7,998.80 = 3,688.60 : x
  2. Step 2: Convert to fraction form
    5,332.52/7,998.80 = 3,688.60/x
  3. Step 3: Cross multiply
    5,332.52x = 7,998.80 × 3,688.60
  4. Step 4: Simplify right side
    5,332.52x = 29,504,373.68
  5. Step 5: Solve for x
    x = 29,504,373.68/5,332.52
  6. Step 6: Final answer
    x = 5,532.91

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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.