Home / 7,742.96-10,684.89-4,206.17

Finding the Fourth Proportional to 7,742.96, 10,684.89 and 4,206.17

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Solution

The fourth proportional to 7,742.96, 10,684.89 and 4,206.17 is: 5,804.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.96 : 10,684.89 = 4,206.17 : x
  2. Step 2: Convert to fraction form
    7,742.96/10,684.89 = 4,206.17/x
  3. Step 3: Cross multiply
    7,742.96x = 10,684.89 × 4,206.17
  4. Step 4: Simplify right side
    7,742.96x = 44,942,410.35
  5. Step 5: Solve for x
    x = 44,942,410.35/7,742.96
  6. Step 6: Final answer
    x = 5,804.29

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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.