Home / 5,725.53-7,900.74-3,600.36

Finding the Fourth Proportional to 5,725.53, 7,900.74 and 3,600.36

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Solution

The fourth proportional to 5,725.53, 7,900.74 and 3,600.36 is: 4,968.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.53 : 7,900.74 = 3,600.36 : x
  2. Step 2: Convert to fraction form
    5,725.53/7,900.74 = 3,600.36/x
  3. Step 3: Cross multiply
    5,725.53x = 7,900.74 × 3,600.36
  4. Step 4: Simplify right side
    5,725.53x = 28,445,508.27
  5. Step 5: Solve for x
    x = 28,445,508.27/5,725.53
  6. Step 6: Final answer
    x = 4,968.19

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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.