Home / 4,901.78-7,353.93-2,127.81

Finding the Fourth Proportional to 4,901.78, 7,353.93 and 2,127.81

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Solution

The fourth proportional to 4,901.78, 7,353.93 and 2,127.81 is: 3,192.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.78 : 7,353.93 = 2,127.81 : x
  2. Step 2: Convert to fraction form
    4,901.78/7,353.93 = 2,127.81/x
  3. Step 3: Cross multiply
    4,901.78x = 7,353.93 × 2,127.81
  4. Step 4: Simplify right side
    4,901.78x = 15,647,765.79
  5. Step 5: Solve for x
    x = 15,647,765.79/4,901.78
  6. Step 6: Final answer
    x = 3,192.27

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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.