Home / 8,878.07-13,314.81-2,636.62

Finding the Fourth Proportional to 8,878.07, 13,314.81 and 2,636.62

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Solution

The fourth proportional to 8,878.07, 13,314.81 and 2,636.62 is: 3,954.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.07 : 13,314.81 = 2,636.62 : x
  2. Step 2: Convert to fraction form
    8,878.07/13,314.81 = 2,636.62/x
  3. Step 3: Cross multiply
    8,878.07x = 13,314.81 × 2,636.62
  4. Step 4: Simplify right side
    8,878.07x = 35,106,048.70
  5. Step 5: Solve for x
    x = 35,106,048.70/8,878.07
  6. Step 6: Final answer
    x = 3,954.24

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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.