Home / 8,296.08-11,445.48-5,153.28

Finding the Fourth Proportional to 8,296.08, 11,445.48 and 5,153.28

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Solution

The fourth proportional to 8,296.08, 11,445.48 and 5,153.28 is: 7,109.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,296.08 : 11,445.48 = 5,153.28 : x
  2. Step 2: Convert to fraction form
    8,296.08/11,445.48 = 5,153.28/x
  3. Step 3: Cross multiply
    8,296.08x = 11,445.48 × 5,153.28
  4. Step 4: Simplify right side
    8,296.08x = 58,981,763.17
  5. Step 5: Solve for x
    x = 58,981,763.17/8,296.08
  6. Step 6: Final answer
    x = 7,109.59

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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.