Home / 9,118.04-13,677.35-2,878.11

Finding the Fourth Proportional to 9,118.04, 13,677.35 and 2,878.11

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Solution

The fourth proportional to 9,118.04, 13,677.35 and 2,878.11 is: 4,317.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.04 : 13,677.35 = 2,878.11 : x
  2. Step 2: Convert to fraction form
    9,118.04/13,677.35 = 2,878.11/x
  3. Step 3: Cross multiply
    9,118.04x = 13,677.35 × 2,878.11
  4. Step 4: Simplify right side
    9,118.04x = 39,364,917.81
  5. Step 5: Solve for x
    x = 39,364,917.81/9,118.04
  6. Step 6: Final answer
    x = 4,317.26

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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.