Home / 9,625.56-13,279.48-5,645.22

Finding the Fourth Proportional to 9,625.56, 13,279.48 and 5,645.22

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Solution

The fourth proportional to 9,625.56, 13,279.48 and 5,645.22 is: 7,788.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,625.56 : 13,279.48 = 5,645.22 : x
  2. Step 2: Convert to fraction form
    9,625.56/13,279.48 = 5,645.22/x
  3. Step 3: Cross multiply
    9,625.56x = 13,279.48 × 5,645.22
  4. Step 4: Simplify right side
    9,625.56x = 74,965,586.09
  5. Step 5: Solve for x
    x = 74,965,586.09/9,625.56
  6. Step 6: Final answer
    x = 7,788.18

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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.