Home / 5,140.45-7,094.24-2,902.87

Finding the Fourth Proportional to 5,140.45, 7,094.24 and 2,902.87

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Solution

The fourth proportional to 5,140.45, 7,094.24 and 2,902.87 is: 4,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.45 : 7,094.24 = 2,902.87 : x
  2. Step 2: Convert to fraction form
    5,140.45/7,094.24 = 2,902.87/x
  3. Step 3: Cross multiply
    5,140.45x = 7,094.24 × 2,902.87
  4. Step 4: Simplify right side
    5,140.45x = 20,593,656.47
  5. Step 5: Solve for x
    x = 20,593,656.47/5,140.45
  6. Step 6: Final answer
    x = 4,006.20

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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.