Home / 4,507.35-6,750.08-3,116.78

Finding the Fourth Proportional to 4,507.35, 6,750.08 and 3,116.78

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Solution

The fourth proportional to 4,507.35, 6,750.08 and 3,116.78 is: 4,667.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.35 : 6,750.08 = 3,116.78 : x
  2. Step 2: Convert to fraction form
    4,507.35/6,750.08 = 3,116.78/x
  3. Step 3: Cross multiply
    4,507.35x = 6,750.08 × 3,116.78
  4. Step 4: Simplify right side
    4,507.35x = 21,038,519.54
  5. Step 5: Solve for x
    x = 21,038,519.54/4,507.35
  6. Step 6: Final answer
    x = 4,667.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.