Home / 5,475.36-8,215.07-3,927.72

Finding the Fourth Proportional to 5,475.36, 8,215.07 and 3,927.72

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Solution

The fourth proportional to 5,475.36, 8,215.07 and 3,927.72 is: 5,893.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.36 : 8,215.07 = 3,927.72 : x
  2. Step 2: Convert to fraction form
    5,475.36/8,215.07 = 3,927.72/x
  3. Step 3: Cross multiply
    5,475.36x = 8,215.07 × 3,927.72
  4. Step 4: Simplify right side
    5,475.36x = 32,266,494.74
  5. Step 5: Solve for x
    x = 32,266,494.74/5,475.36
  6. Step 6: Final answer
    x = 5,893.04

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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.