Home / 7,272.84-10,901.79-4,146.45

Finding the Fourth Proportional to 7,272.84, 10,901.79 and 4,146.45

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Solution

The fourth proportional to 7,272.84, 10,901.79 and 4,146.45 is: 6,215.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.84 : 10,901.79 = 4,146.45 : x
  2. Step 2: Convert to fraction form
    7,272.84/10,901.79 = 4,146.45/x
  3. Step 3: Cross multiply
    7,272.84x = 10,901.79 × 4,146.45
  4. Step 4: Simplify right side
    7,272.84x = 45,203,727.15
  5. Step 5: Solve for x
    x = 45,203,727.15/7,272.84
  6. Step 6: Final answer
    x = 6,215.42

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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.