Home / 8,801.49-12,145.42-4,821.96

Finding the Fourth Proportional to 8,801.49, 12,145.42 and 4,821.96

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Solution

The fourth proportional to 8,801.49, 12,145.42 and 4,821.96 is: 6,653.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.49 : 12,145.42 = 4,821.96 : x
  2. Step 2: Convert to fraction form
    8,801.49/12,145.42 = 4,821.96/x
  3. Step 3: Cross multiply
    8,801.49x = 12,145.42 × 4,821.96
  4. Step 4: Simplify right side
    8,801.49x = 58,564,729.42
  5. Step 5: Solve for x
    x = 58,564,729.42/8,801.49
  6. Step 6: Final answer
    x = 6,653.96

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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.