Home / 5,135.60-7,085.40-3,273.68

Finding the Fourth Proportional to 5,135.60, 7,085.40 and 3,273.68

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Solution

The fourth proportional to 5,135.60, 7,085.40 and 3,273.68 is: 4,516.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.60 : 7,085.40 = 3,273.68 : x
  2. Step 2: Convert to fraction form
    5,135.60/7,085.40 = 3,273.68/x
  3. Step 3: Cross multiply
    5,135.60x = 7,085.40 × 3,273.68
  4. Step 4: Simplify right side
    5,135.60x = 23,195,332.27
  5. Step 5: Solve for x
    x = 23,195,332.27/5,135.60
  6. Step 6: Final answer
    x = 4,516.58

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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.