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Finding the Fourth Proportional to 4,438.98, 6,658.42 and 1,665.58

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Solution

The fourth proportional to 4,438.98, 6,658.42 and 1,665.58 is: 2,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.98 : 6,658.42 = 1,665.58 : x
  2. Step 2: Convert to fraction form
    4,438.98/6,658.42 = 1,665.58/x
  3. Step 3: Cross multiply
    4,438.98x = 6,658.42 × 1,665.58
  4. Step 4: Simplify right side
    4,438.98x = 11,090,131.18
  5. Step 5: Solve for x
    x = 11,090,131.18/4,438.98
  6. Step 6: Final answer
    x = 2,498.35

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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.