Home / 4,379.12-6,569.42-1,913.89

Finding the Fourth Proportional to 4,379.12, 6,569.42 and 1,913.89

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Solution

The fourth proportional to 4,379.12, 6,569.42 and 1,913.89 is: 2,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.12 : 6,569.42 = 1,913.89 : x
  2. Step 2: Convert to fraction form
    4,379.12/6,569.42 = 1,913.89/x
  3. Step 3: Cross multiply
    4,379.12x = 6,569.42 × 1,913.89
  4. Step 4: Simplify right side
    4,379.12x = 12,573,119.18
  5. Step 5: Solve for x
    x = 12,573,119.18/4,379.12
  6. Step 6: Final answer
    x = 2,871.15

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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.