Home / 8,815.80-13,211.67-4,436.28

Finding the Fourth Proportional to 8,815.80, 13,211.67 and 4,436.28

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Solution

The fourth proportional to 8,815.80, 13,211.67 and 4,436.28 is: 6,648.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.80 : 13,211.67 = 4,436.28 : x
  2. Step 2: Convert to fraction form
    8,815.80/13,211.67 = 4,436.28/x
  3. Step 3: Cross multiply
    8,815.80x = 13,211.67 × 4,436.28
  4. Step 4: Simplify right side
    8,815.80x = 58,610,667.39
  5. Step 5: Solve for x
    x = 58,610,667.39/8,815.80
  6. Step 6: Final answer
    x = 6,648.37

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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.