Home / 4,771.20-7,143.68-3,462.40

Finding the Fourth Proportional to 4,771.20, 7,143.68 and 3,462.40

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Solution

The fourth proportional to 4,771.20, 7,143.68 and 3,462.40 is: 5,184.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.20 : 7,143.68 = 3,462.40 : x
  2. Step 2: Convert to fraction form
    4,771.20/7,143.68 = 3,462.40/x
  3. Step 3: Cross multiply
    4,771.20x = 7,143.68 × 3,462.40
  4. Step 4: Simplify right side
    4,771.20x = 24,734,277.63
  5. Step 5: Solve for x
    x = 24,734,277.63/4,771.20
  6. Step 6: Final answer
    x = 5,184.08

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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.