Home / 4,946.48-7,421.67-2,171.22

Finding the Fourth Proportional to 4,946.48, 7,421.67 and 2,171.22

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Solution

The fourth proportional to 4,946.48, 7,421.67 and 2,171.22 is: 3,257.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,946.48 : 7,421.67 = 2,171.22 : x
  2. Step 2: Convert to fraction form
    4,946.48/7,421.67 = 2,171.22/x
  3. Step 3: Cross multiply
    4,946.48x = 7,421.67 × 2,171.22
  4. Step 4: Simplify right side
    4,946.48x = 16,114,078.34
  5. Step 5: Solve for x
    x = 16,114,078.34/4,946.48
  6. Step 6: Final answer
    x = 3,257.69

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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.