Home / 6,764.82-9,332.81-3,931.69

Finding the Fourth Proportional to 6,764.82, 9,332.81 and 3,931.69

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Solution

The fourth proportional to 6,764.82, 9,332.81 and 3,931.69 is: 5,424.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.82 : 9,332.81 = 3,931.69 : x
  2. Step 2: Convert to fraction form
    6,764.82/9,332.81 = 3,931.69/x
  3. Step 3: Cross multiply
    6,764.82x = 9,332.81 × 3,931.69
  4. Step 4: Simplify right side
    6,764.82x = 36,693,699.47
  5. Step 5: Solve for x
    x = 36,693,699.47/6,764.82
  6. Step 6: Final answer
    x = 5,424.19

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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.