Home / 4,215.87-6,323.78-1,095.89

Finding the Fourth Proportional to 4,215.87, 6,323.78 and 1,095.89

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Solution

The fourth proportional to 4,215.87, 6,323.78 and 1,095.89 is: 1,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.87 : 6,323.78 = 1,095.89 : x
  2. Step 2: Convert to fraction form
    4,215.87/6,323.78 = 1,095.89/x
  3. Step 3: Cross multiply
    4,215.87x = 6,323.78 × 1,095.89
  4. Step 4: Simplify right side
    4,215.87x = 6,930,138.39
  5. Step 5: Solve for x
    x = 6,930,138.39/4,215.87
  6. Step 6: Final answer
    x = 1,643.82

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1.5x scale

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.