Home / 6,509.28-8,983.68-3,858.24

Finding the Fourth Proportional to 6,509.28, 8,983.68 and 3,858.24

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Solution

The fourth proportional to 6,509.28, 8,983.68 and 3,858.24 is: 5,324.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,509.28 : 8,983.68 = 3,858.24 : x
  2. Step 2: Convert to fraction form
    6,509.28/8,983.68 = 3,858.24/x
  3. Step 3: Cross multiply
    6,509.28x = 8,983.68 × 3,858.24
  4. Step 4: Simplify right side
    6,509.28x = 34,661,193.52
  5. Step 5: Solve for x
    x = 34,661,193.52/6,509.28
  6. Step 6: Final answer
    x = 5,324.89

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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.