Home / 9,182.10-13,766.40-2,938.50

Finding the Fourth Proportional to 9,182.10, 13,766.40 and 2,938.50

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Solution

The fourth proportional to 9,182.10, 13,766.40 and 2,938.50 is: 4,405.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,182.10 : 13,766.40 = 2,938.50 : x
  2. Step 2: Convert to fraction form
    9,182.10/13,766.40 = 2,938.50/x
  3. Step 3: Cross multiply
    9,182.10x = 13,766.40 × 2,938.50
  4. Step 4: Simplify right side
    9,182.10x = 40,452,566.40
  5. Step 5: Solve for x
    x = 40,452,566.40/9,182.10
  6. Step 6: Final answer
    x = 4,405.59

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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.