Home / 7,087.74-10,621.53-5,224.20

Finding the Fourth Proportional to 7,087.74, 10,621.53 and 5,224.20

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Solution

The fourth proportional to 7,087.74, 10,621.53 and 5,224.20 is: 7,828.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.74 : 10,621.53 = 5,224.20 : x
  2. Step 2: Convert to fraction form
    7,087.74/10,621.53 = 5,224.20/x
  3. Step 3: Cross multiply
    7,087.74x = 10,621.53 × 5,224.20
  4. Step 4: Simplify right side
    7,087.74x = 55,488,997.03
  5. Step 5: Solve for x
    x = 55,488,997.03/7,087.74
  6. Step 6: Final answer
    x = 7,828.87

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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.