Home / 4,377.69-6,565.71-1,455.21

Finding the Fourth Proportional to 4,377.69, 6,565.71 and 1,455.21

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Solution

The fourth proportional to 4,377.69, 6,565.71 and 1,455.21 is: 2,182.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,377.69 : 6,565.71 = 1,455.21 : x
  2. Step 2: Convert to fraction form
    4,377.69/6,565.71 = 1,455.21/x
  3. Step 3: Cross multiply
    4,377.69x = 6,565.71 × 1,455.21
  4. Step 4: Simplify right side
    4,377.69x = 9,554,486.85
  5. Step 5: Solve for x
    x = 9,554,486.85/4,377.69
  6. Step 6: Final answer
    x = 2,182.54

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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.