Home / 5,526.82-8,279.70-4,288.12

Finding the Fourth Proportional to 5,526.82, 8,279.70 and 4,288.12

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Solution

The fourth proportional to 5,526.82, 8,279.70 and 4,288.12 is: 6,424.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,526.82 : 8,279.70 = 4,288.12 : x
  2. Step 2: Convert to fraction form
    5,526.82/8,279.70 = 4,288.12/x
  3. Step 3: Cross multiply
    5,526.82x = 8,279.70 × 4,288.12
  4. Step 4: Simplify right side
    5,526.82x = 35,504,347.16
  5. Step 5: Solve for x
    x = 35,504,347.16/5,526.82
  6. Step 6: Final answer
    x = 6,424.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.