Home / 4,396.79-6,590.63-2,749.55

Finding the Fourth Proportional to 4,396.79, 6,590.63 and 2,749.55

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Solution

The fourth proportional to 4,396.79, 6,590.63 and 2,749.55 is: 4,121.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,396.79 : 6,590.63 = 2,749.55 : x
  2. Step 2: Convert to fraction form
    4,396.79/6,590.63 = 2,749.55/x
  3. Step 3: Cross multiply
    4,396.79x = 6,590.63 × 2,749.55
  4. Step 4: Simplify right side
    4,396.79x = 18,121,269.45
  5. Step 5: Solve for x
    x = 18,121,269.45/4,396.79
  6. Step 6: Final answer
    x = 4,121.47

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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.