Home / 4,074.12-6,111.88-1,300.88

Finding the Fourth Proportional to 4,074.12, 6,111.88 and 1,300.88

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Solution

The fourth proportional to 4,074.12, 6,111.88 and 1,300.88 is: 1,951.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074.12 : 6,111.88 = 1,300.88 : x
  2. Step 2: Convert to fraction form
    4,074.12/6,111.88 = 1,300.88/x
  3. Step 3: Cross multiply
    4,074.12x = 6,111.88 × 1,300.88
  4. Step 4: Simplify right side
    4,074.12x = 7,950,822.45
  5. Step 5: Solve for x
    x = 7,950,822.45/4,074.12
  6. Step 6: Final answer
    x = 1,951.54

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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.