Home / 4,085.76-6,123.82-1,745.08

Finding the Fourth Proportional to 4,085.76, 6,123.82 and 1,745.08

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Solution

The fourth proportional to 4,085.76, 6,123.82 and 1,745.08 is: 2,615.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.76 : 6,123.82 = 1,745.08 : x
  2. Step 2: Convert to fraction form
    4,085.76/6,123.82 = 1,745.08/x
  3. Step 3: Cross multiply
    4,085.76x = 6,123.82 × 1,745.08
  4. Step 4: Simplify right side
    4,085.76x = 10,686,555.81
  5. Step 5: Solve for x
    x = 10,686,555.81/4,085.76
  6. Step 6: Final answer
    x = 2,615.56

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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.