Home / 6,390.35-9,584.76-1,710.72

Finding the Fourth Proportional to 6,390.35, 9,584.76 and 1,710.72

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Solution

The fourth proportional to 6,390.35, 9,584.76 and 1,710.72 is: 2,565.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390.35 : 9,584.76 = 1,710.72 : x
  2. Step 2: Convert to fraction form
    6,390.35/9,584.76 = 1,710.72/x
  3. Step 3: Cross multiply
    6,390.35x = 9,584.76 × 1,710.72
  4. Step 4: Simplify right side
    6,390.35x = 16,396,883.87
  5. Step 5: Solve for x
    x = 16,396,883.87/6,390.35
  6. Step 6: Final answer
    x = 2,565.88

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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.