Home / 5,370.55-8,045.01-3,415.75

Finding the Fourth Proportional to 5,370.55, 8,045.01 and 3,415.75

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Solution

The fourth proportional to 5,370.55, 8,045.01 and 3,415.75 is: 5,116.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.55 : 8,045.01 = 3,415.75 : x
  2. Step 2: Convert to fraction form
    5,370.55/8,045.01 = 3,415.75/x
  3. Step 3: Cross multiply
    5,370.55x = 8,045.01 × 3,415.75
  4. Step 4: Simplify right side
    5,370.55x = 27,479,742.91
  5. Step 5: Solve for x
    x = 27,479,742.91/5,370.55
  6. Step 6: Final answer
    x = 5,116.75

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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.