Home / 4,631.24-6,391.24-2,838.68

Finding the Fourth Proportional to 4,631.24, 6,391.24 and 2,838.68

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Solution

The fourth proportional to 4,631.24, 6,391.24 and 2,838.68 is: 3,917.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.24 : 6,391.24 = 2,838.68 : x
  2. Step 2: Convert to fraction form
    4,631.24/6,391.24 = 2,838.68/x
  3. Step 3: Cross multiply
    4,631.24x = 6,391.24 × 2,838.68
  4. Step 4: Simplify right side
    4,631.24x = 18,142,685.16
  5. Step 5: Solve for x
    x = 18,142,685.16/4,631.24
  6. Step 6: Final answer
    x = 3,917.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.