Home / 8,991.83-13,488.66-3,447.79

Finding the Fourth Proportional to 8,991.83, 13,488.66 and 3,447.79

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Solution

The fourth proportional to 8,991.83, 13,488.66 and 3,447.79 is: 5,172.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991.83 : 13,488.66 = 3,447.79 : x
  2. Step 2: Convert to fraction form
    8,991.83/13,488.66 = 3,447.79/x
  3. Step 3: Cross multiply
    8,991.83x = 13,488.66 × 3,447.79
  4. Step 4: Simplify right side
    8,991.83x = 46,506,033.34
  5. Step 5: Solve for x
    x = 46,506,033.34/8,991.83
  6. Step 6: Final answer
    x = 5,172.03

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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.