Home / 5,140.78-7,094.40-3,044.92

Finding the Fourth Proportional to 5,140.78, 7,094.40 and 3,044.92

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Solution

The fourth proportional to 5,140.78, 7,094.40 and 3,044.92 is: 4,202.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.78 : 7,094.40 = 3,044.92 : x
  2. Step 2: Convert to fraction form
    5,140.78/7,094.40 = 3,044.92/x
  3. Step 3: Cross multiply
    5,140.78x = 7,094.40 × 3,044.92
  4. Step 4: Simplify right side
    5,140.78x = 21,601,880.45
  5. Step 5: Solve for x
    x = 21,601,880.45/5,140.78
  6. Step 6: Final answer
    x = 4,202.06

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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.