Home / 5,091.03-7,016.12-3,970.20

Finding the Fourth Proportional to 5,091.03, 7,016.12 and 3,970.20

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Solution

The fourth proportional to 5,091.03, 7,016.12 and 3,970.20 is: 5,471.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.03 : 7,016.12 = 3,970.20 : x
  2. Step 2: Convert to fraction form
    5,091.03/7,016.12 = 3,970.20/x
  3. Step 3: Cross multiply
    5,091.03x = 7,016.12 × 3,970.20
  4. Step 4: Simplify right side
    5,091.03x = 27,855,379.77
  5. Step 5: Solve for x
    x = 27,855,379.77/5,091.03
  6. Step 6: Final answer
    x = 5,471.46

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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.