Home / 7,536.15-10,399.69-4,178.96

Finding the Fourth Proportional to 7,536.15, 10,399.69 and 4,178.96

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Solution

The fourth proportional to 7,536.15, 10,399.69 and 4,178.96 is: 5,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,536.15 : 10,399.69 = 4,178.96 : x
  2. Step 2: Convert to fraction form
    7,536.15/10,399.69 = 4,178.96/x
  3. Step 3: Cross multiply
    7,536.15x = 10,399.69 × 4,178.96
  4. Step 4: Simplify right side
    7,536.15x = 43,459,836.52
  5. Step 5: Solve for x
    x = 43,459,836.52/7,536.15
  6. Step 6: Final answer
    x = 5,766.85

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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.