Home / 7,742.66-10,665.33-6,246.39

Finding the Fourth Proportional to 7,742.66, 10,665.33 and 6,246.39

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Solution

The fourth proportional to 7,742.66, 10,665.33 and 6,246.39 is: 8,604.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.66 : 10,665.33 = 6,246.39 : x
  2. Step 2: Convert to fraction form
    7,742.66/10,665.33 = 6,246.39/x
  3. Step 3: Cross multiply
    7,742.66x = 10,665.33 × 6,246.39
  4. Step 4: Simplify right side
    7,742.66x = 66,619,782.38
  5. Step 5: Solve for x
    x = 66,619,782.38/7,742.66
  6. Step 6: Final answer
    x = 8,604.25

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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.