Home / 5,269.45-7,271.65-2,879.44

Finding the Fourth Proportional to 5,269.45, 7,271.65 and 2,879.44

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Solution

The fourth proportional to 5,269.45, 7,271.65 and 2,879.44 is: 3,973.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.45 : 7,271.65 = 2,879.44 : x
  2. Step 2: Convert to fraction form
    5,269.45/7,271.65 = 2,879.44/x
  3. Step 3: Cross multiply
    5,269.45x = 7,271.65 × 2,879.44
  4. Step 4: Simplify right side
    5,269.45x = 20,938,279.88
  5. Step 5: Solve for x
    x = 20,938,279.88/5,269.45
  6. Step 6: Final answer
    x = 3,973.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.