Home / 7,015.41-10,513.09-5,151.90

Finding the Fourth Proportional to 7,015.41, 10,513.09 and 5,151.90

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Solution

The fourth proportional to 7,015.41, 10,513.09 and 5,151.90 is: 7,720.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.41 : 10,513.09 = 5,151.90 : x
  2. Step 2: Convert to fraction form
    7,015.41/10,513.09 = 5,151.90/x
  3. Step 3: Cross multiply
    7,015.41x = 10,513.09 × 5,151.90
  4. Step 4: Simplify right side
    7,015.41x = 54,162,388.37
  5. Step 5: Solve for x
    x = 54,162,388.37/7,015.41
  6. Step 6: Final answer
    x = 7,720.49

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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.