Home / 5,485.32-8,228.70-2,888.44

Finding the Fourth Proportional to 5,485.32, 8,228.70 and 2,888.44

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Solution

The fourth proportional to 5,485.32, 8,228.70 and 2,888.44 is: 4,333.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.32 : 8,228.70 = 2,888.44 : x
  2. Step 2: Convert to fraction form
    5,485.32/8,228.70 = 2,888.44/x
  3. Step 3: Cross multiply
    5,485.32x = 8,228.70 × 2,888.44
  4. Step 4: Simplify right side
    5,485.32x = 23,768,106.23
  5. Step 5: Solve for x
    x = 23,768,106.23/5,485.32
  6. Step 6: Final answer
    x = 4,333.04

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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.