Home / 6,165.06-8,515.08-4,172.16

Finding the Fourth Proportional to 6,165.06, 8,515.08 and 4,172.16

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Solution

The fourth proportional to 6,165.06, 8,515.08 and 4,172.16 is: 5,762.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,165.06 : 8,515.08 = 4,172.16 : x
  2. Step 2: Convert to fraction form
    6,165.06/8,515.08 = 4,172.16/x
  3. Step 3: Cross multiply
    6,165.06x = 8,515.08 × 4,172.16
  4. Step 4: Simplify right side
    6,165.06x = 35,526,276.17
  5. Step 5: Solve for x
    x = 35,526,276.17/6,165.06
  6. Step 6: Final answer
    x = 5,762.52

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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.