Home / 8,961.57-12,366.88-4,982.58

Finding the Fourth Proportional to 8,961.57, 12,366.88 and 4,982.58

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Solution

The fourth proportional to 8,961.57, 12,366.88 and 4,982.58 is: 6,875.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.57 : 12,366.88 = 4,982.58 : x
  2. Step 2: Convert to fraction form
    8,961.57/12,366.88 = 4,982.58/x
  3. Step 3: Cross multiply
    8,961.57x = 12,366.88 × 4,982.58
  4. Step 4: Simplify right side
    8,961.57x = 61,618,956.49
  5. Step 5: Solve for x
    x = 61,618,956.49/8,961.57
  6. Step 6: Final answer
    x = 6,875.91

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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.