Home / 4,071.84-6,107.28-3,206.40

Finding the Fourth Proportional to 4,071.84, 6,107.28 and 3,206.40

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Solution

The fourth proportional to 4,071.84, 6,107.28 and 3,206.40 is: 4,809.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.84 : 6,107.28 = 3,206.40 : x
  2. Step 2: Convert to fraction form
    4,071.84/6,107.28 = 3,206.40/x
  3. Step 3: Cross multiply
    4,071.84x = 6,107.28 × 3,206.40
  4. Step 4: Simplify right side
    4,071.84x = 19,582,382.59
  5. Step 5: Solve for x
    x = 19,582,382.59/4,071.84
  6. Step 6: Final answer
    x = 4,809.22

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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.