Home / 6,172.40-9,261.12-3,253.28

Finding the Fourth Proportional to 6,172.40, 9,261.12 and 3,253.28

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Solution

The fourth proportional to 6,172.40, 9,261.12 and 3,253.28 is: 4,881.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.40 : 9,261.12 = 3,253.28 : x
  2. Step 2: Convert to fraction form
    6,172.40/9,261.12 = 3,253.28/x
  3. Step 3: Cross multiply
    6,172.40x = 9,261.12 × 3,253.28
  4. Step 4: Simplify right side
    6,172.40x = 30,129,016.47
  5. Step 5: Solve for x
    x = 30,129,016.47/6,172.40
  6. Step 6: Final answer
    x = 4,881.25

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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.