Home / 4,899.20-7,349.87-1,612.15

Finding the Fourth Proportional to 4,899.20, 7,349.87 and 1,612.15

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Solution

The fourth proportional to 4,899.20, 7,349.87 and 1,612.15 is: 2,418.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.20 : 7,349.87 = 1,612.15 : x
  2. Step 2: Convert to fraction form
    4,899.20/7,349.87 = 1,612.15/x
  3. Step 3: Cross multiply
    4,899.20x = 7,349.87 × 1,612.15
  4. Step 4: Simplify right side
    4,899.20x = 11,849,078.58
  5. Step 5: Solve for x
    x = 11,849,078.58/4,899.20
  6. Step 6: Final answer
    x = 2,418.58

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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.