Home / 5,720.53-8,580.95-1,972.27

Finding the Fourth Proportional to 5,720.53, 8,580.95 and 1,972.27

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Solution

The fourth proportional to 5,720.53, 8,580.95 and 1,972.27 is: 2,958.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.53 : 8,580.95 = 1,972.27 : x
  2. Step 2: Convert to fraction form
    5,720.53/8,580.95 = 1,972.27/x
  3. Step 3: Cross multiply
    5,720.53x = 8,580.95 × 1,972.27
  4. Step 4: Simplify right side
    5,720.53x = 16,923,940.40
  5. Step 5: Solve for x
    x = 16,923,940.40/5,720.53
  6. Step 6: Final answer
    x = 2,958.46

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Double scale
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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.