Home / 5,091.24-7,025.29-3,101.07

Finding the Fourth Proportional to 5,091.24, 7,025.29 and 3,101.07

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Solution

The fourth proportional to 5,091.24, 7,025.29 and 3,101.07 is: 4,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.24 : 7,025.29 = 3,101.07 : x
  2. Step 2: Convert to fraction form
    5,091.24/7,025.29 = 3,101.07/x
  3. Step 3: Cross multiply
    5,091.24x = 7,025.29 × 3,101.07
  4. Step 4: Simplify right side
    5,091.24x = 21,785,916.06
  5. Step 5: Solve for x
    x = 21,785,916.06/5,091.24
  6. Step 6: Final answer
    x = 4,279.10

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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.