Home / 7,084.09-10,628.16-2,153.62

Finding the Fourth Proportional to 7,084.09, 10,628.16 and 2,153.62

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Solution

The fourth proportional to 7,084.09, 10,628.16 and 2,153.62 is: 3,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.09 : 10,628.16 = 2,153.62 : x
  2. Step 2: Convert to fraction form
    7,084.09/10,628.16 = 2,153.62/x
  3. Step 3: Cross multiply
    7,084.09x = 10,628.16 × 2,153.62
  4. Step 4: Simplify right side
    7,084.09x = 22,889,017.94
  5. Step 5: Solve for x
    x = 22,889,017.94/7,084.09
  6. Step 6: Final answer
    x = 3,231.05

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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.