Home / 5,277.92-7,285.77-3,289.45

Finding the Fourth Proportional to 5,277.92, 7,285.77 and 3,289.45

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Solution

The fourth proportional to 5,277.92, 7,285.77 and 3,289.45 is: 4,540.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.92 : 7,285.77 = 3,289.45 : x
  2. Step 2: Convert to fraction form
    5,277.92/7,285.77 = 3,289.45/x
  3. Step 3: Cross multiply
    5,277.92x = 7,285.77 × 3,289.45
  4. Step 4: Simplify right side
    5,277.92x = 23,966,176.13
  5. Step 5: Solve for x
    x = 23,966,176.13/5,277.92
  6. Step 6: Final answer
    x = 4,540.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.