Home / 8,139.36-11,233.80-4,602.56

Finding the Fourth Proportional to 8,139.36, 11,233.80 and 4,602.56

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Solution

The fourth proportional to 8,139.36, 11,233.80 and 4,602.56 is: 6,352.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139.36 : 11,233.80 = 4,602.56 : x
  2. Step 2: Convert to fraction form
    8,139.36/11,233.80 = 4,602.56/x
  3. Step 3: Cross multiply
    8,139.36x = 11,233.80 × 4,602.56
  4. Step 4: Simplify right side
    8,139.36x = 51,704,238.53
  5. Step 5: Solve for x
    x = 51,704,238.53/8,139.36
  6. Step 6: Final answer
    x = 6,352.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.