Home / 4,730.75-6,529.79-3,163.40

Finding the Fourth Proportional to 4,730.75, 6,529.79 and 3,163.40

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Solution

The fourth proportional to 4,730.75, 6,529.79 and 3,163.40 is: 4,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,730.75 : 6,529.79 = 3,163.40 : x
  2. Step 2: Convert to fraction form
    4,730.75/6,529.79 = 3,163.40/x
  3. Step 3: Cross multiply
    4,730.75x = 6,529.79 × 3,163.40
  4. Step 4: Simplify right side
    4,730.75x = 20,656,337.69
  5. Step 5: Solve for x
    x = 20,656,337.69/4,730.75
  6. Step 6: Final answer
    x = 4,366.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.