Home / 4,277.68-6,416.52-3,115.08

Finding the Fourth Proportional to 4,277.68, 6,416.52 and 3,115.08

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Solution

The fourth proportional to 4,277.68, 6,416.52 and 3,115.08 is: 4,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.68 : 6,416.52 = 3,115.08 : x
  2. Step 2: Convert to fraction form
    4,277.68/6,416.52 = 3,115.08/x
  3. Step 3: Cross multiply
    4,277.68x = 6,416.52 × 3,115.08
  4. Step 4: Simplify right side
    4,277.68x = 19,987,957.55
  5. Step 5: Solve for x
    x = 19,987,957.55/4,277.68
  6. Step 6: Final answer
    x = 4,672.62

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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.