Home / 4,378.62-6,565.51-1,455.33

Finding the Fourth Proportional to 4,378.62, 6,565.51 and 1,455.33

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Solution

The fourth proportional to 4,378.62, 6,565.51 and 1,455.33 is: 2,182.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.62 : 6,565.51 = 1,455.33 : x
  2. Step 2: Convert to fraction form
    4,378.62/6,565.51 = 1,455.33/x
  3. Step 3: Cross multiply
    4,378.62x = 6,565.51 × 1,455.33
  4. Step 4: Simplify right side
    4,378.62x = 9,555,001.92
  5. Step 5: Solve for x
    x = 9,555,001.92/4,378.62
  6. Step 6: Final answer
    x = 2,182.19

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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.