Home / 4,812.16-6,640.65-2,823.70

Finding the Fourth Proportional to 4,812.16, 6,640.65 and 2,823.70

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Solution

The fourth proportional to 4,812.16, 6,640.65 and 2,823.70 is: 3,896.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.16 : 6,640.65 = 2,823.70 : x
  2. Step 2: Convert to fraction form
    4,812.16/6,640.65 = 2,823.70/x
  3. Step 3: Cross multiply
    4,812.16x = 6,640.65 × 2,823.70
  4. Step 4: Simplify right side
    4,812.16x = 18,751,203.41
  5. Step 5: Solve for x
    x = 18,751,203.41/4,812.16
  6. Step 6: Final answer
    x = 3,896.63

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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.