Home / 4,549.89-6,820.52-1,778.34

Finding the Fourth Proportional to 4,549.89, 6,820.52 and 1,778.34

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Solution

The fourth proportional to 4,549.89, 6,820.52 and 1,778.34 is: 2,665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,549.89 : 6,820.52 = 1,778.34 : x
  2. Step 2: Convert to fraction form
    4,549.89/6,820.52 = 1,778.34/x
  3. Step 3: Cross multiply
    4,549.89x = 6,820.52 × 1,778.34
  4. Step 4: Simplify right side
    4,549.89x = 12,129,194.65
  5. Step 5: Solve for x
    x = 12,129,194.65/4,549.89
  6. Step 6: Final answer
    x = 2,665.82

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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.