Home / 8,908.68-13,354.38-4,289.16

Finding the Fourth Proportional to 8,908.68, 13,354.38 and 4,289.16

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Solution

The fourth proportional to 8,908.68, 13,354.38 and 4,289.16 is: 6,429.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.68 : 13,354.38 = 4,289.16 : x
  2. Step 2: Convert to fraction form
    8,908.68/13,354.38 = 4,289.16/x
  3. Step 3: Cross multiply
    8,908.68x = 13,354.38 × 4,289.16
  4. Step 4: Simplify right side
    8,908.68x = 57,279,072.52
  5. Step 5: Solve for x
    x = 57,279,072.52/8,908.68
  6. Step 6: Final answer
    x = 6,429.58

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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.