Home / 8,858.36-13,270.43-6,762.89

Finding the Fourth Proportional to 8,858.36, 13,270.43 and 6,762.89

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Solution

The fourth proportional to 8,858.36, 13,270.43 and 6,762.89 is: 10,131.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.36 : 13,270.43 = 6,762.89 : x
  2. Step 2: Convert to fraction form
    8,858.36/13,270.43 = 6,762.89/x
  3. Step 3: Cross multiply
    8,858.36x = 13,270.43 × 6,762.89
  4. Step 4: Simplify right side
    8,858.36x = 89,746,508.43
  5. Step 5: Solve for x
    x = 89,746,508.43/8,858.36
  6. Step 6: Final answer
    x = 10,131.28

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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.