Home / 7,212.16-10,810.86-2,823.64

Finding the Fourth Proportional to 7,212.16, 10,810.86 and 2,823.64

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Solution

The fourth proportional to 7,212.16, 10,810.86 and 2,823.64 is: 4,232.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.16 : 10,810.86 = 2,823.64 : x
  2. Step 2: Convert to fraction form
    7,212.16/10,810.86 = 2,823.64/x
  3. Step 3: Cross multiply
    7,212.16x = 10,810.86 × 2,823.64
  4. Step 4: Simplify right side
    7,212.16x = 30,525,976.73
  5. Step 5: Solve for x
    x = 30,525,976.73/7,212.16
  6. Step 6: Final answer
    x = 4,232.57

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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.