Home / 4,390.65-6,584.45-3,154.39

Finding the Fourth Proportional to 4,390.65, 6,584.45 and 3,154.39

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Solution

The fourth proportional to 4,390.65, 6,584.45 and 3,154.39 is: 4,730.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.65 : 6,584.45 = 3,154.39 : x
  2. Step 2: Convert to fraction form
    4,390.65/6,584.45 = 3,154.39/x
  3. Step 3: Cross multiply
    4,390.65x = 6,584.45 × 3,154.39
  4. Step 4: Simplify right side
    4,390.65x = 20,769,923.24
  5. Step 5: Solve for x
    x = 20,769,923.24/4,390.65
  6. Step 6: Final answer
    x = 4,730.49

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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.