Home / 4,180.30-6,269.55-1,840.30

Finding the Fourth Proportional to 4,180.30, 6,269.55 and 1,840.30

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Solution

The fourth proportional to 4,180.30, 6,269.55 and 1,840.30 is: 2,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.30 : 6,269.55 = 1,840.30 : x
  2. Step 2: Convert to fraction form
    4,180.30/6,269.55 = 1,840.30/x
  3. Step 3: Cross multiply
    4,180.30x = 6,269.55 × 1,840.30
  4. Step 4: Simplify right side
    4,180.30x = 11,537,852.87
  5. Step 5: Solve for x
    x = 11,537,852.87/4,180.30
  6. Step 6: Final answer
    x = 2,760.05

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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.