Home / 5,640.84-8,466.12-2,721.60

Finding the Fourth Proportional to 5,640.84, 8,466.12 and 2,721.60

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Solution

The fourth proportional to 5,640.84, 8,466.12 and 2,721.60 is: 4,084.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640.84 : 8,466.12 = 2,721.60 : x
  2. Step 2: Convert to fraction form
    5,640.84/8,466.12 = 2,721.60/x
  3. Step 3: Cross multiply
    5,640.84x = 8,466.12 × 2,721.60
  4. Step 4: Simplify right side
    5,640.84x = 23,041,392.19
  5. Step 5: Solve for x
    x = 23,041,392.19/5,640.84
  6. Step 6: Final answer
    x = 4,084.74

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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.