Home / 5,374.72-8,064.15-2,090.13

Finding the Fourth Proportional to 5,374.72, 8,064.15 and 2,090.13

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Solution

The fourth proportional to 5,374.72, 8,064.15 and 2,090.13 is: 3,136.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.72 : 8,064.15 = 2,090.13 : x
  2. Step 2: Convert to fraction form
    5,374.72/8,064.15 = 2,090.13/x
  3. Step 3: Cross multiply
    5,374.72x = 8,064.15 × 2,090.13
  4. Step 4: Simplify right side
    5,374.72x = 16,855,121.84
  5. Step 5: Solve for x
    x = 16,855,121.84/5,374.72
  6. Step 6: Final answer
    x = 3,136.00

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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.