Home / 4,507.50-6,221.16-2,690.64

Finding the Fourth Proportional to 4,507.50, 6,221.16 and 2,690.64

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Solution

The fourth proportional to 4,507.50, 6,221.16 and 2,690.64 is: 3,713.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.50 : 6,221.16 = 2,690.64 : x
  2. Step 2: Convert to fraction form
    4,507.50/6,221.16 = 2,690.64/x
  3. Step 3: Cross multiply
    4,507.50x = 6,221.16 × 2,690.64
  4. Step 4: Simplify right side
    4,507.50x = 16,738,901.94
  5. Step 5: Solve for x
    x = 16,738,901.94/4,507.50
  6. Step 6: Final answer
    x = 3,713.57

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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.