Home / 9,357.37-12,912.39-5,323.12

Finding the Fourth Proportional to 9,357.37, 12,912.39 and 5,323.12

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Solution

The fourth proportional to 9,357.37, 12,912.39 and 5,323.12 is: 7,345.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,357.37 : 12,912.39 = 5,323.12 : x
  2. Step 2: Convert to fraction form
    9,357.37/12,912.39 = 5,323.12/x
  3. Step 3: Cross multiply
    9,357.37x = 12,912.39 × 5,323.12
  4. Step 4: Simplify right side
    9,357.37x = 68,734,201.46
  5. Step 5: Solve for x
    x = 68,734,201.46/9,357.37
  6. Step 6: Final answer
    x = 7,345.47

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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.