Home / 4,485.90-6,758.75-4,131.66

Finding the Fourth Proportional to 4,485.90, 6,758.75 and 4,131.66

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Solution

The fourth proportional to 4,485.90, 6,758.75 and 4,131.66 is: 6,225.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.90 : 6,758.75 = 4,131.66 : x
  2. Step 2: Convert to fraction form
    4,485.90/6,758.75 = 4,131.66/x
  3. Step 3: Cross multiply
    4,485.90x = 6,758.75 × 4,131.66
  4. Step 4: Simplify right side
    4,485.90x = 27,924,857.03
  5. Step 5: Solve for x
    x = 27,924,857.03/4,485.90
  6. Step 6: Final answer
    x = 6,225.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.