Home / 4,778.96-7,166.52-1,701.20

Finding the Fourth Proportional to 4,778.96, 7,166.52 and 1,701.20

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Solution

The fourth proportional to 4,778.96, 7,166.52 and 1,701.20 is: 2,551.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.96 : 7,166.52 = 1,701.20 : x
  2. Step 2: Convert to fraction form
    4,778.96/7,166.52 = 1,701.20/x
  3. Step 3: Cross multiply
    4,778.96x = 7,166.52 × 1,701.20
  4. Step 4: Simplify right side
    4,778.96x = 12,191,683.82
  5. Step 5: Solve for x
    x = 12,191,683.82/4,778.96
  6. Step 6: Final answer
    x = 2,551.12

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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.