Home / 8,554.85-12,809.21-5,585.94

Finding the Fourth Proportional to 8,554.85, 12,809.21 and 5,585.94

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Solution

The fourth proportional to 8,554.85, 12,809.21 and 5,585.94 is: 8,363.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.85 : 12,809.21 = 5,585.94 : x
  2. Step 2: Convert to fraction form
    8,554.85/12,809.21 = 5,585.94/x
  3. Step 3: Cross multiply
    8,554.85x = 12,809.21 × 5,585.94
  4. Step 4: Simplify right side
    8,554.85x = 71,551,450.58
  5. Step 5: Solve for x
    x = 71,551,450.58/8,554.85
  6. Step 6: Final answer
    x = 8,363.85

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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.