Home / 8,381.41-12,572.21-2,538.27

Finding the Fourth Proportional to 8,381.41, 12,572.21 and 2,538.27

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Solution

The fourth proportional to 8,381.41, 12,572.21 and 2,538.27 is: 3,807.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381.41 : 12,572.21 = 2,538.27 : x
  2. Step 2: Convert to fraction form
    8,381.41/12,572.21 = 2,538.27/x
  3. Step 3: Cross multiply
    8,381.41x = 12,572.21 × 2,538.27
  4. Step 4: Simplify right side
    8,381.41x = 31,911,669.82
  5. Step 5: Solve for x
    x = 31,911,669.82/8,381.41
  6. Step 6: Final answer
    x = 3,807.44

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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.