Home / 5,946.99-8,921.84-3,172.20

Finding the Fourth Proportional to 5,946.99, 8,921.84 and 3,172.20

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Solution

The fourth proportional to 5,946.99, 8,921.84 and 3,172.20 is: 4,759.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,946.99 : 8,921.84 = 3,172.20 : x
  2. Step 2: Convert to fraction form
    5,946.99/8,921.84 = 3,172.20/x
  3. Step 3: Cross multiply
    5,946.99x = 8,921.84 × 3,172.20
  4. Step 4: Simplify right side
    5,946.99x = 28,301,844.99
  5. Step 5: Solve for x
    x = 28,301,844.99/5,946.99
  6. Step 6: Final answer
    x = 4,759.02

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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.