Home / 8,289.29-11,438.87-4,512.47

Finding the Fourth Proportional to 8,289.29, 11,438.87 and 4,512.47

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Solution

The fourth proportional to 8,289.29, 11,438.87 and 4,512.47 is: 6,227.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.29 : 11,438.87 = 4,512.47 : x
  2. Step 2: Convert to fraction form
    8,289.29/11,438.87 = 4,512.47/x
  3. Step 3: Cross multiply
    8,289.29x = 11,438.87 × 4,512.47
  4. Step 4: Simplify right side
    8,289.29x = 51,617,477.95
  5. Step 5: Solve for x
    x = 51,617,477.95/8,289.29
  6. Step 6: Final answer
    x = 6,227.01

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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.