Home / 8,782.83-13,172.09-2,626.83

Finding the Fourth Proportional to 8,782.83, 13,172.09 and 2,626.83

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Solution

The fourth proportional to 8,782.83, 13,172.09 and 2,626.83 is: 3,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.83 : 13,172.09 = 2,626.83 : x
  2. Step 2: Convert to fraction form
    8,782.83/13,172.09 = 2,626.83/x
  3. Step 3: Cross multiply
    8,782.83x = 13,172.09 × 2,626.83
  4. Step 4: Simplify right side
    8,782.83x = 34,600,828.04
  5. Step 5: Solve for x
    x = 34,600,828.04/8,782.83
  6. Step 6: Final answer
    x = 3,939.60

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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.