Home / 5,485.87-8,225.70-2,706.58

Finding the Fourth Proportional to 5,485.87, 8,225.70 and 2,706.58

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Solution

The fourth proportional to 5,485.87, 8,225.70 and 2,706.58 is: 4,058.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.87 : 8,225.70 = 2,706.58 : x
  2. Step 2: Convert to fraction form
    5,485.87/8,225.70 = 2,706.58/x
  3. Step 3: Cross multiply
    5,485.87x = 8,225.70 × 2,706.58
  4. Step 4: Simplify right side
    5,485.87x = 22,263,515.11
  5. Step 5: Solve for x
    x = 22,263,515.11/5,485.87
  6. Step 6: Final answer
    x = 4,058.34

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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.