Home / 8,622.48-11,899.12-6,736.24

Finding the Fourth Proportional to 8,622.48, 11,899.12 and 6,736.24

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Solution

The fourth proportional to 8,622.48, 11,899.12 and 6,736.24 is: 9,296.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622.48 : 11,899.12 = 6,736.24 : x
  2. Step 2: Convert to fraction form
    8,622.48/11,899.12 = 6,736.24/x
  3. Step 3: Cross multiply
    8,622.48x = 11,899.12 × 6,736.24
  4. Step 4: Simplify right side
    8,622.48x = 80,155,328.11
  5. Step 5: Solve for x
    x = 80,155,328.11/8,622.48
  6. Step 6: Final answer
    x = 9,296.09

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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.