Home / 4,102.55-6,153.29-1,328.94

Finding the Fourth Proportional to 4,102.55, 6,153.29 and 1,328.94

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Solution

The fourth proportional to 4,102.55, 6,153.29 and 1,328.94 is: 1,993.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.55 : 6,153.29 = 1,328.94 : x
  2. Step 2: Convert to fraction form
    4,102.55/6,153.29 = 1,328.94/x
  3. Step 3: Cross multiply
    4,102.55x = 6,153.29 × 1,328.94
  4. Step 4: Simplify right side
    4,102.55x = 8,177,353.21
  5. Step 5: Solve for x
    x = 8,177,353.21/4,102.55
  6. Step 6: Final answer
    x = 1,993.24

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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.