Home / 4,102.24-6,139.80-3,123.04

Finding the Fourth Proportional to 4,102.24, 6,139.80 and 3,123.04

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Solution

The fourth proportional to 4,102.24, 6,139.80 and 3,123.04 is: 4,674.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.24 : 6,139.80 = 3,123.04 : x
  2. Step 2: Convert to fraction form
    4,102.24/6,139.80 = 3,123.04/x
  3. Step 3: Cross multiply
    4,102.24x = 6,139.80 × 3,123.04
  4. Step 4: Simplify right side
    4,102.24x = 19,174,840.99
  5. Step 5: Solve for x
    x = 19,174,840.99/4,102.24
  6. Step 6: Final answer
    x = 4,674.24

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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.