Home / 5,134.44-7,701.59-1,238.81

Finding the Fourth Proportional to 5,134.44, 7,701.59 and 1,238.81

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Solution

The fourth proportional to 5,134.44, 7,701.59 and 1,238.81 is: 1,858.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.44 : 7,701.59 = 1,238.81 : x
  2. Step 2: Convert to fraction form
    5,134.44/7,701.59 = 1,238.81/x
  3. Step 3: Cross multiply
    5,134.44x = 7,701.59 × 1,238.81
  4. Step 4: Simplify right side
    5,134.44x = 9,540,806.71
  5. Step 5: Solve for x
    x = 9,540,806.71/5,134.44
  6. Step 6: Final answer
    x = 1,858.20

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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.