Home / 7,724.28-11,586.33-1,880.90

Finding the Fourth Proportional to 7,724.28, 11,586.33 and 1,880.90

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Solution

The fourth proportional to 7,724.28, 11,586.33 and 1,880.90 is: 2,821.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.28 : 11,586.33 = 1,880.90 : x
  2. Step 2: Convert to fraction form
    7,724.28/11,586.33 = 1,880.90/x
  3. Step 3: Cross multiply
    7,724.28x = 11,586.33 × 1,880.90
  4. Step 4: Simplify right side
    7,724.28x = 21,792,670.17
  5. Step 5: Solve for x
    x = 21,792,670.17/7,724.28
  6. Step 6: Final answer
    x = 2,821.32

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Similar ratio
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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.