Home / 4,709.45-7,051.19-3,147.29

Finding the Fourth Proportional to 4,709.45, 7,051.19 and 3,147.29

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Solution

The fourth proportional to 4,709.45, 7,051.19 and 3,147.29 is: 4,712.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709.45 : 7,051.19 = 3,147.29 : x
  2. Step 2: Convert to fraction form
    4,709.45/7,051.19 = 3,147.29/x
  3. Step 3: Cross multiply
    4,709.45x = 7,051.19 × 3,147.29
  4. Step 4: Simplify right side
    4,709.45x = 22,192,154.89
  5. Step 5: Solve for x
    x = 22,192,154.89/4,709.45
  6. Step 6: Final answer
    x = 4,712.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.