Home / 8,139.83-11,233.21-4,602.97

Finding the Fourth Proportional to 8,139.83, 11,233.21 and 4,602.97

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Solution

The fourth proportional to 8,139.83, 11,233.21 and 4,602.97 is: 6,352.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139.83 : 11,233.21 = 4,602.97 : x
  2. Step 2: Convert to fraction form
    8,139.83/11,233.21 = 4,602.97/x
  3. Step 3: Cross multiply
    8,139.83x = 11,233.21 × 4,602.97
  4. Step 4: Simplify right side
    8,139.83x = 51,706,128.63
  5. Step 5: Solve for x
    x = 51,706,128.63/8,139.83
  6. Step 6: Final answer
    x = 6,352.24

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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.