Home / 5,150.36-7,725.54-2,957.70

Finding the Fourth Proportional to 5,150.36, 7,725.54 and 2,957.70

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Solution

The fourth proportional to 5,150.36, 7,725.54 and 2,957.70 is: 4,436.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.36 : 7,725.54 = 2,957.70 : x
  2. Step 2: Convert to fraction form
    5,150.36/7,725.54 = 2,957.70/x
  3. Step 3: Cross multiply
    5,150.36x = 7,725.54 × 2,957.70
  4. Step 4: Simplify right side
    5,150.36x = 22,849,829.66
  5. Step 5: Solve for x
    x = 22,849,829.66/5,150.36
  6. Step 6: Final answer
    x = 4,436.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.