Home / 4,376.28-6,564.54-1,909.82

Finding the Fourth Proportional to 4,376.28, 6,564.54 and 1,909.82

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Solution

The fourth proportional to 4,376.28, 6,564.54 and 1,909.82 is: 2,864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,376.28 : 6,564.54 = 1,909.82 : x
  2. Step 2: Convert to fraction form
    4,376.28/6,564.54 = 1,909.82/x
  3. Step 3: Cross multiply
    4,376.28x = 6,564.54 × 1,909.82
  4. Step 4: Simplify right side
    4,376.28x = 12,537,089.78
  5. Step 5: Solve for x
    x = 12,537,089.78/4,376.28
  6. Step 6: Final answer
    x = 2,864.78

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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.