Home / 5,619.03-7,754.20-3,101.08

Finding the Fourth Proportional to 5,619.03, 7,754.20 and 3,101.08

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Solution

The fourth proportional to 5,619.03, 7,754.20 and 3,101.08 is: 4,279.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.03 : 7,754.20 = 3,101.08 : x
  2. Step 2: Convert to fraction form
    5,619.03/7,754.20 = 3,101.08/x
  3. Step 3: Cross multiply
    5,619.03x = 7,754.20 × 3,101.08
  4. Step 4: Simplify right side
    5,619.03x = 24,046,340.26
  5. Step 5: Solve for x
    x = 24,046,340.26/5,619.03
  6. Step 6: Final answer
    x = 4,279.45

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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.