Home / 5,681.26-8,512.62-3,485.35

Finding the Fourth Proportional to 5,681.26, 8,512.62 and 3,485.35

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Solution

The fourth proportional to 5,681.26, 8,512.62 and 3,485.35 is: 5,222.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.26 : 8,512.62 = 3,485.35 : x
  2. Step 2: Convert to fraction form
    5,681.26/8,512.62 = 3,485.35/x
  3. Step 3: Cross multiply
    5,681.26x = 8,512.62 × 3,485.35
  4. Step 4: Simplify right side
    5,681.26x = 29,669,460.12
  5. Step 5: Solve for x
    x = 29,669,460.12/5,681.26
  6. Step 6: Final answer
    x = 5,222.34

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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.