Home / 5,381.31-8,070.40-2,093.62

Finding the Fourth Proportional to 5,381.31, 8,070.40 and 2,093.62

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Solution

The fourth proportional to 5,381.31, 8,070.40 and 2,093.62 is: 3,139.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.31 : 8,070.40 = 2,093.62 : x
  2. Step 2: Convert to fraction form
    5,381.31/8,070.40 = 2,093.62/x
  3. Step 3: Cross multiply
    5,381.31x = 8,070.40 × 2,093.62
  4. Step 4: Simplify right side
    5,381.31x = 16,896,351.78
  5. Step 5: Solve for x
    x = 16,896,351.78/5,381.31
  6. Step 6: Final answer
    x = 3,139.82

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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.