Home / 8,911.72-13,366.80-2,673.13

Finding the Fourth Proportional to 8,911.72, 13,366.80 and 2,673.13

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Solution

The fourth proportional to 8,911.72, 13,366.80 and 2,673.13 is: 4,009.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.72 : 13,366.80 = 2,673.13 : x
  2. Step 2: Convert to fraction form
    8,911.72/13,366.80 = 2,673.13/x
  3. Step 3: Cross multiply
    8,911.72x = 13,366.80 × 2,673.13
  4. Step 4: Simplify right side
    8,911.72x = 35,731,194.08
  5. Step 5: Solve for x
    x = 35,731,194.08/8,911.72
  6. Step 6: Final answer
    x = 4,009.46

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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.