Home / 5,122.18-7,677.04-2,776.62

Finding the Fourth Proportional to 5,122.18, 7,677.04 and 2,776.62

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Solution

The fourth proportional to 5,122.18, 7,677.04 and 2,776.62 is: 4,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.18 : 7,677.04 = 2,776.62 : x
  2. Step 2: Convert to fraction form
    5,122.18/7,677.04 = 2,776.62/x
  3. Step 3: Cross multiply
    5,122.18x = 7,677.04 × 2,776.62
  4. Step 4: Simplify right side
    5,122.18x = 21,316,208.92
  5. Step 5: Solve for x
    x = 21,316,208.92/5,122.18
  6. Step 6: Final answer
    x = 4,161.55

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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.