Home / 4,685.24-7,019.64-4,176.80

Finding the Fourth Proportional to 4,685.24, 7,019.64 and 4,176.80

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Solution

The fourth proportional to 4,685.24, 7,019.64 and 4,176.80 is: 6,257.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.24 : 7,019.64 = 4,176.80 : x
  2. Step 2: Convert to fraction form
    4,685.24/7,019.64 = 4,176.80/x
  3. Step 3: Cross multiply
    4,685.24x = 7,019.64 × 4,176.80
  4. Step 4: Simplify right side
    4,685.24x = 29,319,632.35
  5. Step 5: Solve for x
    x = 29,319,632.35/4,685.24
  6. Step 6: Final answer
    x = 6,257.87

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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.