Home / 5,621.74-8,434.56-2,503.96

Finding the Fourth Proportional to 5,621.74, 8,434.56 and 2,503.96

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Solution

The fourth proportional to 5,621.74, 8,434.56 and 2,503.96 is: 3,756.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.74 : 8,434.56 = 2,503.96 : x
  2. Step 2: Convert to fraction form
    5,621.74/8,434.56 = 2,503.96/x
  3. Step 3: Cross multiply
    5,621.74x = 8,434.56 × 2,503.96
  4. Step 4: Simplify right side
    5,621.74x = 21,119,800.86
  5. Step 5: Solve for x
    x = 21,119,800.86/5,621.74
  6. Step 6: Final answer
    x = 3,756.81

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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.