Home / 5,629.51-7,769.21-3,271.50

Finding the Fourth Proportional to 5,629.51, 7,769.21 and 3,271.50

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Solution

The fourth proportional to 5,629.51, 7,769.21 and 3,271.50 is: 4,514.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.51 : 7,769.21 = 3,271.50 : x
  2. Step 2: Convert to fraction form
    5,629.51/7,769.21 = 3,271.50/x
  3. Step 3: Cross multiply
    5,629.51x = 7,769.21 × 3,271.50
  4. Step 4: Simplify right side
    5,629.51x = 25,416,954.16
  5. Step 5: Solve for x
    x = 25,416,954.16/5,629.51
  6. Step 6: Final answer
    x = 4,514.95

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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.