Home / 6,865.64-9,474.60-3,721.84

Finding the Fourth Proportional to 6,865.64, 9,474.60 and 3,721.84

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Solution

The fourth proportional to 6,865.64, 9,474.60 and 3,721.84 is: 5,136.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.64 : 9,474.60 = 3,721.84 : x
  2. Step 2: Convert to fraction form
    6,865.64/9,474.60 = 3,721.84/x
  3. Step 3: Cross multiply
    6,865.64x = 9,474.60 × 3,721.84
  4. Step 4: Simplify right side
    6,865.64x = 35,262,945.26
  5. Step 5: Solve for x
    x = 35,262,945.26/6,865.64
  6. Step 6: Final answer
    x = 5,136.15

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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.