Home / 4,376.28-6,565.06-1,778.68

Finding the Fourth Proportional to 4,376.28, 6,565.06 and 1,778.68

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Solution

The fourth proportional to 4,376.28, 6,565.06 and 1,778.68 is: 2,668.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,376.28 : 6,565.06 = 1,778.68 : x
  2. Step 2: Convert to fraction form
    4,376.28/6,565.06 = 1,778.68/x
  3. Step 3: Cross multiply
    4,376.28x = 6,565.06 × 1,778.68
  4. Step 4: Simplify right side
    4,376.28x = 11,677,140.92
  5. Step 5: Solve for x
    x = 11,677,140.92/4,376.28
  6. Step 6: Final answer
    x = 2,668.28

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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.