Home / 8,724.44-13,090.13-3,178.16

Finding the Fourth Proportional to 8,724.44, 13,090.13 and 3,178.16

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Solution

The fourth proportional to 8,724.44, 13,090.13 and 3,178.16 is: 4,768.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.44 : 13,090.13 = 3,178.16 : x
  2. Step 2: Convert to fraction form
    8,724.44/13,090.13 = 3,178.16/x
  3. Step 3: Cross multiply
    8,724.44x = 13,090.13 × 3,178.16
  4. Step 4: Simplify right side
    8,724.44x = 41,602,446.22
  5. Step 5: Solve for x
    x = 41,602,446.22/8,724.44
  6. Step 6: Final answer
    x = 4,768.50

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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.