Home / 4,431.54-6,648.21-1,658.16

Finding the Fourth Proportional to 4,431.54, 6,648.21 and 1,658.16

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Solution

The fourth proportional to 4,431.54, 6,648.21 and 1,658.16 is: 2,487.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.54 : 6,648.21 = 1,658.16 : x
  2. Step 2: Convert to fraction form
    4,431.54/6,648.21 = 1,658.16/x
  3. Step 3: Cross multiply
    4,431.54x = 6,648.21 × 1,658.16
  4. Step 4: Simplify right side
    4,431.54x = 11,023,795.89
  5. Step 5: Solve for x
    x = 11,023,795.89/4,431.54
  6. Step 6: Final answer
    x = 2,487.58

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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.