Home / 4,777.39-7,168.52-2,179.99

Finding the Fourth Proportional to 4,777.39, 7,168.52 and 2,179.99

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Solution

The fourth proportional to 4,777.39, 7,168.52 and 2,179.99 is: 3,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.39 : 7,168.52 = 2,179.99 : x
  2. Step 2: Convert to fraction form
    4,777.39/7,168.52 = 2,179.99/x
  3. Step 3: Cross multiply
    4,777.39x = 7,168.52 × 2,179.99
  4. Step 4: Simplify right side
    4,777.39x = 15,627,301.91
  5. Step 5: Solve for x
    x = 15,627,301.91/4,777.39
  6. Step 6: Final answer
    x = 3,271.10

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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.