Home / 5,721.70-8,583.40-3,532.80

Finding the Fourth Proportional to 5,721.70, 8,583.40 and 3,532.80

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Solution

The fourth proportional to 5,721.70, 8,583.40 and 3,532.80 is: 5,299.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.70 : 8,583.40 = 3,532.80 : x
  2. Step 2: Convert to fraction form
    5,721.70/8,583.40 = 3,532.80/x
  3. Step 3: Cross multiply
    5,721.70x = 8,583.40 × 3,532.80
  4. Step 4: Simplify right side
    5,721.70x = 30,323,435.52
  5. Step 5: Solve for x
    x = 30,323,435.52/5,721.70
  6. Step 6: Final answer
    x = 5,299.72

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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.