Home / 5,442.67-8,164.01-2,158.08

Finding the Fourth Proportional to 5,442.67, 8,164.01 and 2,158.08

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Solution

The fourth proportional to 5,442.67, 8,164.01 and 2,158.08 is: 3,237.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.67 : 8,164.01 = 2,158.08 : x
  2. Step 2: Convert to fraction form
    5,442.67/8,164.01 = 2,158.08/x
  3. Step 3: Cross multiply
    5,442.67x = 8,164.01 × 2,158.08
  4. Step 4: Simplify right side
    5,442.67x = 17,618,535.09
  5. Step 5: Solve for x
    x = 17,618,535.09/5,442.67
  6. Step 6: Final answer
    x = 3,237.11

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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.