Home / 5,643.09-8,453.48-5,217.75

Finding the Fourth Proportional to 5,643.09, 8,453.48 and 5,217.75

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Solution

The fourth proportional to 5,643.09, 8,453.48 and 5,217.75 is: 7,816.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.09 : 8,453.48 = 5,217.75 : x
  2. Step 2: Convert to fraction form
    5,643.09/8,453.48 = 5,217.75/x
  3. Step 3: Cross multiply
    5,643.09x = 8,453.48 × 5,217.75
  4. Step 4: Simplify right side
    5,643.09x = 44,108,119.18
  5. Step 5: Solve for x
    x = 44,108,119.18/5,643.09
  6. Step 6: Final answer
    x = 7,816.31

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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.