Home / 4,869.80-6,729.72-3,688.82

Finding the Fourth Proportional to 4,869.80, 6,729.72 and 3,688.82

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Solution

The fourth proportional to 4,869.80, 6,729.72 and 3,688.82 is: 5,097.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.80 : 6,729.72 = 3,688.82 : x
  2. Step 2: Convert to fraction form
    4,869.80/6,729.72 = 3,688.82/x
  3. Step 3: Cross multiply
    4,869.80x = 6,729.72 × 3,688.82
  4. Step 4: Simplify right side
    4,869.80x = 24,824,725.73
  5. Step 5: Solve for x
    x = 24,824,725.73/4,869.80
  6. Step 6: Final answer
    x = 5,097.69

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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.