Home / 4,378.50-6,565.57-1,455.82

Finding the Fourth Proportional to 4,378.50, 6,565.57 and 1,455.82

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Solution

The fourth proportional to 4,378.50, 6,565.57 and 1,455.82 is: 2,183.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.50 : 6,565.57 = 1,455.82 : x
  2. Step 2: Convert to fraction form
    4,378.50/6,565.57 = 1,455.82/x
  3. Step 3: Cross multiply
    4,378.50x = 6,565.57 × 1,455.82
  4. Step 4: Simplify right side
    4,378.50x = 9,558,288.12
  5. Step 5: Solve for x
    x = 9,558,288.12/4,378.50
  6. Step 6: Final answer
    x = 2,183.01

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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.