Home / 4,900.57-7,349.30-1,612.78

Finding the Fourth Proportional to 4,900.57, 7,349.30 and 1,612.78

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Solution

The fourth proportional to 4,900.57, 7,349.30 and 1,612.78 is: 2,418.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.57 : 7,349.30 = 1,612.78 : x
  2. Step 2: Convert to fraction form
    4,900.57/7,349.30 = 1,612.78/x
  3. Step 3: Cross multiply
    4,900.57x = 7,349.30 × 1,612.78
  4. Step 4: Simplify right side
    4,900.57x = 11,852,795.99
  5. Step 5: Solve for x
    x = 11,852,795.99/4,900.57
  6. Step 6: Final answer
    x = 2,418.66

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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.