Home / 4,405.32-6,608.43-1,285.35

Finding the Fourth Proportional to 4,405.32, 6,608.43 and 1,285.35

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Solution

The fourth proportional to 4,405.32, 6,608.43 and 1,285.35 is: 1,928.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.32 : 6,608.43 = 1,285.35 : x
  2. Step 2: Convert to fraction form
    4,405.32/6,608.43 = 1,285.35/x
  3. Step 3: Cross multiply
    4,405.32x = 6,608.43 × 1,285.35
  4. Step 4: Simplify right side
    4,405.32x = 8,494,145.50
  5. Step 5: Solve for x
    x = 8,494,145.50/4,405.32
  6. Step 6: Final answer
    x = 1,928.16

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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.