Home / 5,146.74-7,104.11-3,160.22

Finding the Fourth Proportional to 5,146.74, 7,104.11 and 3,160.22

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Solution

The fourth proportional to 5,146.74, 7,104.11 and 3,160.22 is: 4,362.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.74 : 7,104.11 = 3,160.22 : x
  2. Step 2: Convert to fraction form
    5,146.74/7,104.11 = 3,160.22/x
  3. Step 3: Cross multiply
    5,146.74x = 7,104.11 × 3,160.22
  4. Step 4: Simplify right side
    5,146.74x = 22,450,499.18
  5. Step 5: Solve for x
    x = 22,450,499.18/5,146.74
  6. Step 6: Final answer
    x = 4,362.08

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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.