Home / 5,621.84-8,428.44-2,698.52

Finding the Fourth Proportional to 5,621.84, 8,428.44 and 2,698.52

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Solution

The fourth proportional to 5,621.84, 8,428.44 and 2,698.52 is: 4,045.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.84 : 8,428.44 = 2,698.52 : x
  2. Step 2: Convert to fraction form
    5,621.84/8,428.44 = 2,698.52/x
  3. Step 3: Cross multiply
    5,621.84x = 8,428.44 × 2,698.52
  4. Step 4: Simplify right side
    5,621.84x = 22,744,313.91
  5. Step 5: Solve for x
    x = 22,744,313.91/5,621.84
  6. Step 6: Final answer
    x = 4,045.71

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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.