Home / 4,376.81-6,565.40-1,911.57

Finding the Fourth Proportional to 4,376.81, 6,565.40 and 1,911.57

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Solution

The fourth proportional to 4,376.81, 6,565.40 and 1,911.57 is: 2,867.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,376.81 : 6,565.40 = 1,911.57 : x
  2. Step 2: Convert to fraction form
    4,376.81/6,565.40 = 1,911.57/x
  3. Step 3: Cross multiply
    4,376.81x = 6,565.40 × 1,911.57
  4. Step 4: Simplify right side
    4,376.81x = 12,550,212.12
  5. Step 5: Solve for x
    x = 12,550,212.12/4,376.81
  6. Step 6: Final answer
    x = 2,867.44

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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.