Home / 5,220.44-7,826.94-2,445.59

Finding the Fourth Proportional to 5,220.44, 7,826.94 and 2,445.59

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Solution

The fourth proportional to 5,220.44, 7,826.94 and 2,445.59 is: 3,666.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.44 : 7,826.94 = 2,445.59 : x
  2. Step 2: Convert to fraction form
    5,220.44/7,826.94 = 2,445.59/x
  3. Step 3: Cross multiply
    5,220.44x = 7,826.94 × 2,445.59
  4. Step 4: Simplify right side
    5,220.44x = 19,141,486.19
  5. Step 5: Solve for x
    x = 19,141,486.19/5,220.44
  6. Step 6: Final answer
    x = 3,666.64

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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.