Home / 4,390.40-6,584.61-1,269.71

Finding the Fourth Proportional to 4,390.40, 6,584.61 and 1,269.71

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Solution

The fourth proportional to 4,390.40, 6,584.61 and 1,269.71 is: 1,904.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.40 : 6,584.61 = 1,269.71 : x
  2. Step 2: Convert to fraction form
    4,390.40/6,584.61 = 1,269.71/x
  3. Step 3: Cross multiply
    4,390.40x = 6,584.61 × 1,269.71
  4. Step 4: Simplify right side
    4,390.40x = 8,360,561.62
  5. Step 5: Solve for x
    x = 8,360,561.62/4,390.40
  6. Step 6: Final answer
    x = 1,904.28

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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.