Home / 8,786.10-13,172.94-4,400.40

Finding the Fourth Proportional to 8,786.10, 13,172.94 and 4,400.40

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Solution

The fourth proportional to 8,786.10, 13,172.94 and 4,400.40 is: 6,597.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.10 : 13,172.94 = 4,400.40 : x
  2. Step 2: Convert to fraction form
    8,786.10/13,172.94 = 4,400.40/x
  3. Step 3: Cross multiply
    8,786.10x = 13,172.94 × 4,400.40
  4. Step 4: Simplify right side
    8,786.10x = 57,966,205.18
  5. Step 5: Solve for x
    x = 57,966,205.18/8,786.10
  6. Step 6: Final answer
    x = 6,597.49

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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.