Home / 5,021.40-7,528.74-2,679.96

Finding the Fourth Proportional to 5,021.40, 7,528.74 and 2,679.96

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Solution

The fourth proportional to 5,021.40, 7,528.74 and 2,679.96 is: 4,018.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.40 : 7,528.74 = 2,679.96 : x
  2. Step 2: Convert to fraction form
    5,021.40/7,528.74 = 2,679.96/x
  3. Step 3: Cross multiply
    5,021.40x = 7,528.74 × 2,679.96
  4. Step 4: Simplify right side
    5,021.40x = 20,176,722.05
  5. Step 5: Solve for x
    x = 20,176,722.05/5,021.40
  6. Step 6: Final answer
    x = 4,018.15

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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.