Home / 5,285.76-7,295.85-3,190.02

Finding the Fourth Proportional to 5,285.76, 7,295.85 and 3,190.02

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Solution

The fourth proportional to 5,285.76, 7,295.85 and 3,190.02 is: 4,403.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.76 : 7,295.85 = 3,190.02 : x
  2. Step 2: Convert to fraction form
    5,285.76/7,295.85 = 3,190.02/x
  3. Step 3: Cross multiply
    5,285.76x = 7,295.85 × 3,190.02
  4. Step 4: Simplify right side
    5,285.76x = 23,273,907.42
  5. Step 5: Solve for x
    x = 23,273,907.42/5,285.76
  6. Step 6: Final answer
    x = 4,403.13

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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.