Home / 4,679.25-6,458.07-3,002.55

Finding the Fourth Proportional to 4,679.25, 6,458.07 and 3,002.55

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Solution

The fourth proportional to 4,679.25, 6,458.07 and 3,002.55 is: 4,143.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.25 : 6,458.07 = 3,002.55 : x
  2. Step 2: Convert to fraction form
    4,679.25/6,458.07 = 3,002.55/x
  3. Step 3: Cross multiply
    4,679.25x = 6,458.07 × 3,002.55
  4. Step 4: Simplify right side
    4,679.25x = 19,390,678.08
  5. Step 5: Solve for x
    x = 19,390,678.08/4,679.25
  6. Step 6: Final answer
    x = 4,143.97

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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.