Home / 8,969.06-13,455.75-2,813.06

Finding the Fourth Proportional to 8,969.06, 13,455.75 and 2,813.06

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Solution

The fourth proportional to 8,969.06, 13,455.75 and 2,813.06 is: 4,220.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969.06 : 13,455.75 = 2,813.06 : x
  2. Step 2: Convert to fraction form
    8,969.06/13,455.75 = 2,813.06/x
  3. Step 3: Cross multiply
    8,969.06x = 13,455.75 × 2,813.06
  4. Step 4: Simplify right side
    8,969.06x = 37,851,876.28
  5. Step 5: Solve for x
    x = 37,851,876.28/8,969.06
  6. Step 6: Final answer
    x = 4,220.27

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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.