Home / 4,443.81-6,128.91-2,869.17

Finding the Fourth Proportional to 4,443.81, 6,128.91 and 2,869.17

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Solution

The fourth proportional to 4,443.81, 6,128.91 and 2,869.17 is: 3,957.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,443.81 : 6,128.91 = 2,869.17 : x
  2. Step 2: Convert to fraction form
    4,443.81/6,128.91 = 2,869.17/x
  3. Step 3: Cross multiply
    4,443.81x = 6,128.91 × 2,869.17
  4. Step 4: Simplify right side
    4,443.81x = 17,584,884.70
  5. Step 5: Solve for x
    x = 17,584,884.70/4,443.81
  6. Step 6: Final answer
    x = 3,957.16

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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.