Home / 4,442.21-6,667.16-1,811.13

Finding the Fourth Proportional to 4,442.21, 6,667.16 and 1,811.13

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Solution

The fourth proportional to 4,442.21, 6,667.16 and 1,811.13 is: 2,718.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.21 : 6,667.16 = 1,811.13 : x
  2. Step 2: Convert to fraction form
    4,442.21/6,667.16 = 1,811.13/x
  3. Step 3: Cross multiply
    4,442.21x = 6,667.16 × 1,811.13
  4. Step 4: Simplify right side
    4,442.21x = 12,075,084.44
  5. Step 5: Solve for x
    x = 12,075,084.44/4,442.21
  6. Step 6: Final answer
    x = 2,718.26

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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.