Home / 5,127.79-7,076.36-3,002.94

Finding the Fourth Proportional to 5,127.79, 7,076.36 and 3,002.94

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Solution

The fourth proportional to 5,127.79, 7,076.36 and 3,002.94 is: 4,144.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.79 : 7,076.36 = 3,002.94 : x
  2. Step 2: Convert to fraction form
    5,127.79/7,076.36 = 3,002.94/x
  3. Step 3: Cross multiply
    5,127.79x = 7,076.36 × 3,002.94
  4. Step 4: Simplify right side
    5,127.79x = 21,249,884.50
  5. Step 5: Solve for x
    x = 21,249,884.50/5,127.79
  6. Step 6: Final answer
    x = 4,144.06

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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.