Home / 5,621.30-8,431.16-3,534.94

Finding the Fourth Proportional to 5,621.30, 8,431.16 and 3,534.94

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Solution

The fourth proportional to 5,621.30, 8,431.16 and 3,534.94 is: 5,301.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.30 : 8,431.16 = 3,534.94 : x
  2. Step 2: Convert to fraction form
    5,621.30/8,431.16 = 3,534.94/x
  3. Step 3: Cross multiply
    5,621.30x = 8,431.16 × 3,534.94
  4. Step 4: Simplify right side
    5,621.30x = 29,803,637.59
  5. Step 5: Solve for x
    x = 29,803,637.59/5,621.30
  6. Step 6: Final answer
    x = 5,301.91

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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.