Home / 8,913.51-13,370.40-2,672.19

Finding the Fourth Proportional to 8,913.51, 13,370.40 and 2,672.19

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Solution

The fourth proportional to 8,913.51, 13,370.40 and 2,672.19 is: 4,008.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.51 : 13,370.40 = 2,672.19 : x
  2. Step 2: Convert to fraction form
    8,913.51/13,370.40 = 2,672.19/x
  3. Step 3: Cross multiply
    8,913.51x = 13,370.40 × 2,672.19
  4. Step 4: Simplify right side
    8,913.51x = 35,728,249.18
  5. Step 5: Solve for x
    x = 35,728,249.18/8,913.51
  6. Step 6: Final answer
    x = 4,008.33

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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.