Home / 9,119.20-13,670.70-3,274.24

Finding the Fourth Proportional to 9,119.20, 13,670.70 and 3,274.24

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Solution

The fourth proportional to 9,119.20, 13,670.70 and 3,274.24 is: 4,908.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.20 : 13,670.70 = 3,274.24 : x
  2. Step 2: Convert to fraction form
    9,119.20/13,670.70 = 3,274.24/x
  3. Step 3: Cross multiply
    9,119.20x = 13,670.70 × 3,274.24
  4. Step 4: Simplify right side
    9,119.20x = 44,761,152.77
  5. Step 5: Solve for x
    x = 44,761,152.77/9,119.20
  6. Step 6: Final answer
    x = 4,908.45

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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.