Home / 7,453.22-10,279.44-6,555.06

Finding the Fourth Proportional to 7,453.22, 10,279.44 and 6,555.06

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Solution

The fourth proportional to 7,453.22, 10,279.44 and 6,555.06 is: 9,040.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,453.22 : 10,279.44 = 6,555.06 : x
  2. Step 2: Convert to fraction form
    7,453.22/10,279.44 = 6,555.06/x
  3. Step 3: Cross multiply
    7,453.22x = 10,279.44 × 6,555.06
  4. Step 4: Simplify right side
    7,453.22x = 67,382,345.97
  5. Step 5: Solve for x
    x = 67,382,345.97/7,453.22
  6. Step 6: Final answer
    x = 9,040.71

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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.