Home / 9,119.40-13,682.38-4,736.76

Finding the Fourth Proportional to 9,119.40, 13,682.38 and 4,736.76

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Solution

The fourth proportional to 9,119.40, 13,682.38 and 4,736.76 is: 7,106.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.40 : 13,682.38 = 4,736.76 : x
  2. Step 2: Convert to fraction form
    9,119.40/13,682.38 = 4,736.76/x
  3. Step 3: Cross multiply
    9,119.40x = 13,682.38 × 4,736.76
  4. Step 4: Simplify right side
    9,119.40x = 64,810,150.29
  5. Step 5: Solve for x
    x = 64,810,150.29/9,119.40
  6. Step 6: Final answer
    x = 7,106.84

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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.