Home / 4,900.64-7,350.95-2,126.96

Finding the Fourth Proportional to 4,900.64, 7,350.95 and 2,126.96

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Solution

The fourth proportional to 4,900.64, 7,350.95 and 2,126.96 is: 3,190.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.64 : 7,350.95 = 2,126.96 : x
  2. Step 2: Convert to fraction form
    4,900.64/7,350.95 = 2,126.96/x
  3. Step 3: Cross multiply
    4,900.64x = 7,350.95 × 2,126.96
  4. Step 4: Simplify right side
    4,900.64x = 15,635,145.17
  5. Step 5: Solve for x
    x = 15,635,145.17/4,900.64
  6. Step 6: Final answer
    x = 3,190.43

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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.