Home / 5,639.57-8,461.29-2,521.73

Finding the Fourth Proportional to 5,639.57, 8,461.29 and 2,521.73

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Solution

The fourth proportional to 5,639.57, 8,461.29 and 2,521.73 is: 3,783.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.57 : 8,461.29 = 2,521.73 : x
  2. Step 2: Convert to fraction form
    5,639.57/8,461.29 = 2,521.73/x
  3. Step 3: Cross multiply
    5,639.57x = 8,461.29 × 2,521.73
  4. Step 4: Simplify right side
    5,639.57x = 21,337,119.44
  5. Step 5: Solve for x
    x = 21,337,119.44/5,639.57
  6. Step 6: Final answer
    x = 3,783.46

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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.