Home / 6,172.55-8,518.62-3,520.16

Finding the Fourth Proportional to 6,172.55, 8,518.62 and 3,520.16

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Solution

The fourth proportional to 6,172.55, 8,518.62 and 3,520.16 is: 4,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.55 : 8,518.62 = 3,520.16 : x
  2. Step 2: Convert to fraction form
    6,172.55/8,518.62 = 3,520.16/x
  3. Step 3: Cross multiply
    6,172.55x = 8,518.62 × 3,520.16
  4. Step 4: Simplify right side
    6,172.55x = 29,986,888.13
  5. Step 5: Solve for x
    x = 29,986,888.13/6,172.55
  6. Step 6: Final answer
    x = 4,858.10

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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.