Home / 5,109.56-7,619.63-5,062.85

Finding the Fourth Proportional to 5,109.56, 7,619.63 and 5,062.85

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Solution

The fourth proportional to 5,109.56, 7,619.63 and 5,062.85 is: 7,549.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.56 : 7,619.63 = 5,062.85 : x
  2. Step 2: Convert to fraction form
    5,109.56/7,619.63 = 5,062.85/x
  3. Step 3: Cross multiply
    5,109.56x = 7,619.63 × 5,062.85
  4. Step 4: Simplify right side
    5,109.56x = 38,577,043.75
  5. Step 5: Solve for x
    x = 38,577,043.75/5,109.56
  6. Step 6: Final answer
    x = 7,549.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.