Home / 7,084.60-10,626.20-2,154.28

Finding the Fourth Proportional to 7,084.60, 10,626.20 and 2,154.28

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Solution

The fourth proportional to 7,084.60, 10,626.20 and 2,154.28 is: 3,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.60 : 10,626.20 = 2,154.28 : x
  2. Step 2: Convert to fraction form
    7,084.60/10,626.20 = 2,154.28/x
  3. Step 3: Cross multiply
    7,084.60x = 10,626.20 × 2,154.28
  4. Step 4: Simplify right side
    7,084.60x = 22,891,810.14
  5. Step 5: Solve for x
    x = 22,891,810.14/7,084.60
  6. Step 6: Final answer
    x = 3,231.21

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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.