Home / 8,868.94-12,239.60-4,890.04

Finding the Fourth Proportional to 8,868.94, 12,239.60 and 4,890.04

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Solution

The fourth proportional to 8,868.94, 12,239.60 and 4,890.04 is: 6,748.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.94 : 12,239.60 = 4,890.04 : x
  2. Step 2: Convert to fraction form
    8,868.94/12,239.60 = 4,890.04/x
  3. Step 3: Cross multiply
    8,868.94x = 12,239.60 × 4,890.04
  4. Step 4: Simplify right side
    8,868.94x = 59,852,133.58
  5. Step 5: Solve for x
    x = 59,852,133.58/8,868.94
  6. Step 6: Final answer
    x = 6,748.51

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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.