Home / 4,945.22-7,417.62-1,658.06

Finding the Fourth Proportional to 4,945.22, 7,417.62 and 1,658.06

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Solution

The fourth proportional to 4,945.22, 7,417.62 and 1,658.06 is: 2,487.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.22 : 7,417.62 = 1,658.06 : x
  2. Step 2: Convert to fraction form
    4,945.22/7,417.62 = 1,658.06/x
  3. Step 3: Cross multiply
    4,945.22x = 7,417.62 × 1,658.06
  4. Step 4: Simplify right side
    4,945.22x = 12,298,821.93
  5. Step 5: Solve for x
    x = 12,298,821.93/4,945.22
  6. Step 6: Final answer
    x = 2,487.01

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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.