Home / 4,405.48-6,608.34-1,285.84

Finding the Fourth Proportional to 4,405.48, 6,608.34 and 1,285.84

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Solution

The fourth proportional to 4,405.48, 6,608.34 and 1,285.84 is: 1,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.48 : 6,608.34 = 1,285.84 : x
  2. Step 2: Convert to fraction form
    4,405.48/6,608.34 = 1,285.84/x
  3. Step 3: Cross multiply
    4,405.48x = 6,608.34 × 1,285.84
  4. Step 4: Simplify right side
    4,405.48x = 8,497,267.91
  5. Step 5: Solve for x
    x = 8,497,267.91/4,405.48
  6. Step 6: Final answer
    x = 1,928.80

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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.