Home / 8,207.56-11,322.82-5,554.04

Finding the Fourth Proportional to 8,207.56, 11,322.82 and 5,554.04

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Solution

The fourth proportional to 8,207.56, 11,322.82 and 5,554.04 is: 7,662.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.56 : 11,322.82 = 5,554.04 : x
  2. Step 2: Convert to fraction form
    8,207.56/11,322.82 = 5,554.04/x
  3. Step 3: Cross multiply
    8,207.56x = 11,322.82 × 5,554.04
  4. Step 4: Simplify right side
    8,207.56x = 62,887,395.19
  5. Step 5: Solve for x
    x = 62,887,395.19/8,207.56
  6. Step 6: Final answer
    x = 7,662.13

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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.