Home / 9,118.36-13,677.63-2,878.26

Finding the Fourth Proportional to 9,118.36, 13,677.63 and 2,878.26

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Solution

The fourth proportional to 9,118.36, 13,677.63 and 2,878.26 is: 4,317.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.36 : 13,677.63 = 2,878.26 : x
  2. Step 2: Convert to fraction form
    9,118.36/13,677.63 = 2,878.26/x
  3. Step 3: Cross multiply
    9,118.36x = 13,677.63 × 2,878.26
  4. Step 4: Simplify right side
    9,118.36x = 39,367,775.32
  5. Step 5: Solve for x
    x = 39,367,775.32/9,118.36
  6. Step 6: Final answer
    x = 4,317.42

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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.