Home / 4,447.29-6,670.78-2,108.42

Finding the Fourth Proportional to 4,447.29, 6,670.78 and 2,108.42

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Solution

The fourth proportional to 4,447.29, 6,670.78 and 2,108.42 is: 3,162.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,447.29 : 6,670.78 = 2,108.42 : x
  2. Step 2: Convert to fraction form
    4,447.29/6,670.78 = 2,108.42/x
  3. Step 3: Cross multiply
    4,447.29x = 6,670.78 × 2,108.42
  4. Step 4: Simplify right side
    4,447.29x = 14,064,779.20
  5. Step 5: Solve for x
    x = 14,064,779.20/4,447.29
  6. Step 6: Final answer
    x = 3,162.55

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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.