Home / 6,765.47-9,330.29-4,247.81

Finding the Fourth Proportional to 6,765.47, 9,330.29 and 4,247.81

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Solution

The fourth proportional to 6,765.47, 9,330.29 and 4,247.81 is: 5,858.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.47 : 9,330.29 = 4,247.81 : x
  2. Step 2: Convert to fraction form
    6,765.47/9,330.29 = 4,247.81/x
  3. Step 3: Cross multiply
    6,765.47x = 9,330.29 × 4,247.81
  4. Step 4: Simplify right side
    6,765.47x = 39,633,231.27
  5. Step 5: Solve for x
    x = 39,633,231.27/6,765.47
  6. Step 6: Final answer
    x = 5,858.17

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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.