Home / 5,279.14-7,282.03-3,486.63

Finding the Fourth Proportional to 5,279.14, 7,282.03 and 3,486.63

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Solution

The fourth proportional to 5,279.14, 7,282.03 and 3,486.63 is: 4,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.14 : 7,282.03 = 3,486.63 : x
  2. Step 2: Convert to fraction form
    5,279.14/7,282.03 = 3,486.63/x
  3. Step 3: Cross multiply
    5,279.14x = 7,282.03 × 3,486.63
  4. Step 4: Simplify right side
    5,279.14x = 25,389,744.26
  5. Step 5: Solve for x
    x = 25,389,744.26/5,279.14
  6. Step 6: Final answer
    x = 4,809.45

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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.