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Finding the Fourth Proportional to 4,411.52, 6,087.52 and 2,421.92

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Solution

The fourth proportional to 4,411.52, 6,087.52 and 2,421.92 is: 3,342.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,411.52 : 6,087.52 = 2,421.92 : x
  2. Step 2: Convert to fraction form
    4,411.52/6,087.52 = 2,421.92/x
  3. Step 3: Cross multiply
    4,411.52x = 6,087.52 × 2,421.92
  4. Step 4: Simplify right side
    4,411.52x = 14,743,486.44
  5. Step 5: Solve for x
    x = 14,743,486.44/4,411.52
  6. Step 6: Final answer
    x = 3,342.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.