Home / 7,212.36-10,815-2,532.24

Finding the Fourth Proportional to 7,212.36, 10,815 and 2,532.24

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Solution

The fourth proportional to 7,212.36, 10,815 and 2,532.24 is: 3,797.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.36 : 10,815 = 2,532.24 : x
  2. Step 2: Convert to fraction form
    7,212.36/10,815 = 2,532.24/x
  3. Step 3: Cross multiply
    7,212.36x = 10,815 × 2,532.24
  4. Step 4: Simplify right side
    7,212.36x = 27,386,175.60
  5. Step 5: Solve for x
    x = 27,386,175.60/7,212.36
  6. Step 6: Final answer
    x = 3,797.12

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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.