Home / 5,619.56-7,754.46-3,101.07

Finding the Fourth Proportional to 5,619.56, 7,754.46 and 3,101.07

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Solution

The fourth proportional to 5,619.56, 7,754.46 and 3,101.07 is: 4,279.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.56 : 7,754.46 = 3,101.07 : x
  2. Step 2: Convert to fraction form
    5,619.56/7,754.46 = 3,101.07/x
  3. Step 3: Cross multiply
    5,619.56x = 7,754.46 × 3,101.07
  4. Step 4: Simplify right side
    5,619.56x = 24,047,123.27
  5. Step 5: Solve for x
    x = 24,047,123.27/5,619.56
  6. Step 6: Final answer
    x = 4,279.18

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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.