Home / 8,815.42-12,164.50-5,037.84

Finding the Fourth Proportional to 8,815.42, 12,164.50 and 5,037.84

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Solution

The fourth proportional to 8,815.42, 12,164.50 and 5,037.84 is: 6,951.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.42 : 12,164.50 = 5,037.84 : x
  2. Step 2: Convert to fraction form
    8,815.42/12,164.50 = 5,037.84/x
  3. Step 3: Cross multiply
    8,815.42x = 12,164.50 × 5,037.84
  4. Step 4: Simplify right side
    8,815.42x = 61,282,804.68
  5. Step 5: Solve for x
    x = 61,282,804.68/8,815.42
  6. Step 6: Final answer
    x = 6,951.77

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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.