Home / 9,145.37-13,718.50-3,221.51

Finding the Fourth Proportional to 9,145.37, 13,718.50 and 3,221.51

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Solution

The fourth proportional to 9,145.37, 13,718.50 and 3,221.51 is: 4,832.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.37 : 13,718.50 = 3,221.51 : x
  2. Step 2: Convert to fraction form
    9,145.37/13,718.50 = 3,221.51/x
  3. Step 3: Cross multiply
    9,145.37x = 13,718.50 × 3,221.51
  4. Step 4: Simplify right side
    9,145.37x = 44,194,208.29
  5. Step 5: Solve for x
    x = 44,194,208.29/9,145.37
  6. Step 6: Final answer
    x = 4,832.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.