Home / 4,630.72-6,399.15-3,509.65

Finding the Fourth Proportional to 4,630.72, 6,399.15 and 3,509.65

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Solution

The fourth proportional to 4,630.72, 6,399.15 and 3,509.65 is: 4,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.72 : 6,399.15 = 3,509.65 : x
  2. Step 2: Convert to fraction form
    4,630.72/6,399.15 = 3,509.65/x
  3. Step 3: Cross multiply
    4,630.72x = 6,399.15 × 3,509.65
  4. Step 4: Simplify right side
    4,630.72x = 22,458,776.80
  5. Step 5: Solve for x
    x = 22,458,776.80/4,630.72
  6. Step 6: Final answer
    x = 4,849.95

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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.