Home / 7,775.37-10,728.79-4,371.71

Finding the Fourth Proportional to 7,775.37, 10,728.79 and 4,371.71

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Solution

The fourth proportional to 7,775.37, 10,728.79 and 4,371.71 is: 6,032.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775.37 : 10,728.79 = 4,371.71 : x
  2. Step 2: Convert to fraction form
    7,775.37/10,728.79 = 4,371.71/x
  3. Step 3: Cross multiply
    7,775.37x = 10,728.79 × 4,371.71
  4. Step 4: Simplify right side
    7,775.37x = 46,903,158.53
  5. Step 5: Solve for x
    x = 46,903,158.53/7,775.37
  6. Step 6: Final answer
    x = 6,032.27

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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.