Home / 4,739.40-7,100.46-2,140.92

Finding the Fourth Proportional to 4,739.40, 7,100.46 and 2,140.92

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Solution

The fourth proportional to 4,739.40, 7,100.46 and 2,140.92 is: 3,207.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.40 : 7,100.46 = 2,140.92 : x
  2. Step 2: Convert to fraction form
    4,739.40/7,100.46 = 2,140.92/x
  3. Step 3: Cross multiply
    4,739.40x = 7,100.46 × 2,140.92
  4. Step 4: Simplify right side
    4,739.40x = 15,201,516.82
  5. Step 5: Solve for x
    x = 15,201,516.82/4,739.40
  6. Step 6: Final answer
    x = 3,207.48

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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.