Home / 5,928.80-8,897.49-2,640.20

Finding the Fourth Proportional to 5,928.80, 8,897.49 and 2,640.20

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Solution

The fourth proportional to 5,928.80, 8,897.49 and 2,640.20 is: 3,962.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,928.80 : 8,897.49 = 2,640.20 : x
  2. Step 2: Convert to fraction form
    5,928.80/8,897.49 = 2,640.20/x
  3. Step 3: Cross multiply
    5,928.80x = 8,897.49 × 2,640.20
  4. Step 4: Simplify right side
    5,928.80x = 23,491,153.10
  5. Step 5: Solve for x
    x = 23,491,153.10/5,928.80
  6. Step 6: Final answer
    x = 3,962.21

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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.