Home / 4,946.55-7,421.78-3,636.89

Finding the Fourth Proportional to 4,946.55, 7,421.78 and 3,636.89

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Solution

The fourth proportional to 4,946.55, 7,421.78 and 3,636.89 is: 5,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,946.55 : 7,421.78 = 3,636.89 : x
  2. Step 2: Convert to fraction form
    4,946.55/7,421.78 = 3,636.89/x
  3. Step 3: Cross multiply
    4,946.55x = 7,421.78 × 3,636.89
  4. Step 4: Simplify right side
    4,946.55x = 26,992,142.17
  5. Step 5: Solve for x
    x = 26,992,142.17/4,946.55
  6. Step 6: Final answer
    x = 5,456.76

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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.