Home / 9,020.05-13,531.42-2,779.54

Finding the Fourth Proportional to 9,020.05, 13,531.42 and 2,779.54

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Solution

The fourth proportional to 9,020.05, 13,531.42 and 2,779.54 is: 4,169.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.05 : 13,531.42 = 2,779.54 : x
  2. Step 2: Convert to fraction form
    9,020.05/13,531.42 = 2,779.54/x
  3. Step 3: Cross multiply
    9,020.05x = 13,531.42 × 2,779.54
  4. Step 4: Simplify right side
    9,020.05x = 37,611,082.37
  5. Step 5: Solve for x
    x = 37,611,082.37/9,020.05
  6. Step 6: Final answer
    x = 4,169.72

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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.