Home / 5,154.28-7,105.98-4,095.56

Finding the Fourth Proportional to 5,154.28, 7,105.98 and 4,095.56

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Solution

The fourth proportional to 5,154.28, 7,105.98 and 4,095.56 is: 5,646.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.28 : 7,105.98 = 4,095.56 : x
  2. Step 2: Convert to fraction form
    5,154.28/7,105.98 = 4,095.56/x
  3. Step 3: Cross multiply
    5,154.28x = 7,105.98 × 4,095.56
  4. Step 4: Simplify right side
    5,154.28x = 29,102,977.53
  5. Step 5: Solve for x
    x = 29,102,977.53/5,154.28
  6. Step 6: Final answer
    x = 5,646.37

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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.