Home / 7,728.36-10,664.66-4,371.89

Finding the Fourth Proportional to 7,728.36, 10,664.66 and 4,371.89

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Solution

The fourth proportional to 7,728.36, 10,664.66 and 4,371.89 is: 6,032.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.36 : 10,664.66 = 4,371.89 : x
  2. Step 2: Convert to fraction form
    7,728.36/10,664.66 = 4,371.89/x
  3. Step 3: Cross multiply
    7,728.36x = 10,664.66 × 4,371.89
  4. Step 4: Simplify right side
    7,728.36x = 46,624,645.22
  5. Step 5: Solve for x
    x = 46,624,645.22/7,728.36
  6. Step 6: Final answer
    x = 6,032.93

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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.