Home / 5,641.56-8,461.94-2,521.85

Finding the Fourth Proportional to 5,641.56, 8,461.94 and 2,521.85

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Solution

The fourth proportional to 5,641.56, 8,461.94 and 2,521.85 is: 3,782.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641.56 : 8,461.94 = 2,521.85 : x
  2. Step 2: Convert to fraction form
    5,641.56/8,461.94 = 2,521.85/x
  3. Step 3: Cross multiply
    5,641.56x = 8,461.94 × 2,521.85
  4. Step 4: Simplify right side
    5,641.56x = 21,339,688.47
  5. Step 5: Solve for x
    x = 21,339,688.47/5,641.56
  6. Step 6: Final answer
    x = 3,782.59

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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.