Home / 5,910.78-8,155.29-3,358.51

Finding the Fourth Proportional to 5,910.78, 8,155.29 and 3,358.51

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Solution

The fourth proportional to 5,910.78, 8,155.29 and 3,358.51 is: 4,633.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.78 : 8,155.29 = 3,358.51 : x
  2. Step 2: Convert to fraction form
    5,910.78/8,155.29 = 3,358.51/x
  3. Step 3: Cross multiply
    5,910.78x = 8,155.29 × 3,358.51
  4. Step 4: Simplify right side
    5,910.78x = 27,389,623.02
  5. Step 5: Solve for x
    x = 27,389,623.02/5,910.78
  6. Step 6: Final answer
    x = 4,633.84

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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.