Home / 5,153.20-7,110.78-3,660.58

Finding the Fourth Proportional to 5,153.20, 7,110.78 and 3,660.58

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Solution

The fourth proportional to 5,153.20, 7,110.78 and 3,660.58 is: 5,051.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.20 : 7,110.78 = 3,660.58 : x
  2. Step 2: Convert to fraction form
    5,153.20/7,110.78 = 3,660.58/x
  3. Step 3: Cross multiply
    5,153.20x = 7,110.78 × 3,660.58
  4. Step 4: Simplify right side
    5,153.20x = 26,029,579.05
  5. Step 5: Solve for x
    x = 26,029,579.05/5,153.20
  6. Step 6: Final answer
    x = 5,051.15

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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.