Home / 8,808.68-12,155.58-5,273.84

Finding the Fourth Proportional to 8,808.68, 12,155.58 and 5,273.84

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Solution

The fourth proportional to 8,808.68, 12,155.58 and 5,273.84 is: 7,277.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.68 : 12,155.58 = 5,273.84 : x
  2. Step 2: Convert to fraction form
    8,808.68/12,155.58 = 5,273.84/x
  3. Step 3: Cross multiply
    8,808.68x = 12,155.58 × 5,273.84
  4. Step 4: Simplify right side
    8,808.68x = 64,106,523.25
  5. Step 5: Solve for x
    x = 64,106,523.25/8,808.68
  6. Step 6: Final answer
    x = 7,277.66

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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.