Home / 4,515.75-6,217.88-3,953.07

Finding the Fourth Proportional to 4,515.75, 6,217.88 and 3,953.07

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Solution

The fourth proportional to 4,515.75, 6,217.88 and 3,953.07 is: 5,443.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.75 : 6,217.88 = 3,953.07 : x
  2. Step 2: Convert to fraction form
    4,515.75/6,217.88 = 3,953.07/x
  3. Step 3: Cross multiply
    4,515.75x = 6,217.88 × 3,953.07
  4. Step 4: Simplify right side
    4,515.75x = 24,579,693.68
  5. Step 5: Solve for x
    x = 24,579,693.68/4,515.75
  6. Step 6: Final answer
    x = 5,443.11

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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.