Home / 7,210.28-10,812.69-2,528.96

Finding the Fourth Proportional to 7,210.28, 10,812.69 and 2,528.96

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Solution

The fourth proportional to 7,210.28, 10,812.69 and 2,528.96 is: 3,792.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.28 : 10,812.69 = 2,528.96 : x
  2. Step 2: Convert to fraction form
    7,210.28/10,812.69 = 2,528.96/x
  3. Step 3: Cross multiply
    7,210.28x = 10,812.69 × 2,528.96
  4. Step 4: Simplify right side
    7,210.28x = 27,344,860.50
  5. Step 5: Solve for x
    x = 27,344,860.50/7,210.28
  6. Step 6: Final answer
    x = 3,792.48

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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.