Home / 4,449.78-6,670.35-1,851.30

Finding the Fourth Proportional to 4,449.78, 6,670.35 and 1,851.30

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Solution

The fourth proportional to 4,449.78, 6,670.35 and 1,851.30 is: 2,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449.78 : 6,670.35 = 1,851.30 : x
  2. Step 2: Convert to fraction form
    4,449.78/6,670.35 = 1,851.30/x
  3. Step 3: Cross multiply
    4,449.78x = 6,670.35 × 1,851.30
  4. Step 4: Simplify right side
    4,449.78x = 12,348,818.96
  5. Step 5: Solve for x
    x = 12,348,818.96/4,449.78
  6. Step 6: Final answer
    x = 2,775.15

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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.