Home / 6,448.06-9,669.36-2,289.12

Finding the Fourth Proportional to 6,448.06, 9,669.36 and 2,289.12

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Solution

The fourth proportional to 6,448.06, 9,669.36 and 2,289.12 is: 3,432.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448.06 : 9,669.36 = 2,289.12 : x
  2. Step 2: Convert to fraction form
    6,448.06/9,669.36 = 2,289.12/x
  3. Step 3: Cross multiply
    6,448.06x = 9,669.36 × 2,289.12
  4. Step 4: Simplify right side
    6,448.06x = 22,134,325.36
  5. Step 5: Solve for x
    x = 22,134,325.36/6,448.06
  6. Step 6: Final answer
    x = 3,432.71

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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.