Home / 4,928.04-6,800.73-2,689.92

Finding the Fourth Proportional to 4,928.04, 6,800.73 and 2,689.92

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Solution

The fourth proportional to 4,928.04, 6,800.73 and 2,689.92 is: 3,712.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.04 : 6,800.73 = 2,689.92 : x
  2. Step 2: Convert to fraction form
    4,928.04/6,800.73 = 2,689.92/x
  3. Step 3: Cross multiply
    4,928.04x = 6,800.73 × 2,689.92
  4. Step 4: Simplify right side
    4,928.04x = 18,293,419.64
  5. Step 5: Solve for x
    x = 18,293,419.64/4,928.04
  6. Step 6: Final answer
    x = 3,712.11

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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.