Home / 8,215.34-11,325.30-6,537.44

Finding the Fourth Proportional to 8,215.34, 11,325.30 and 6,537.44

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Solution

The fourth proportional to 8,215.34, 11,325.30 and 6,537.44 is: 9,012.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.34 : 11,325.30 = 6,537.44 : x
  2. Step 2: Convert to fraction form
    8,215.34/11,325.30 = 6,537.44/x
  3. Step 3: Cross multiply
    8,215.34x = 11,325.30 × 6,537.44
  4. Step 4: Simplify right side
    8,215.34x = 74,038,469.23
  5. Step 5: Solve for x
    x = 74,038,469.23/8,215.34
  6. Step 6: Final answer
    x = 9,012.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.