Home / 4,123.65-6,185.49-1,350.30

Finding the Fourth Proportional to 4,123.65, 6,185.49 and 1,350.30

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Solution

The fourth proportional to 4,123.65, 6,185.49 and 1,350.30 is: 2,025.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.65 : 6,185.49 = 1,350.30 : x
  2. Step 2: Convert to fraction form
    4,123.65/6,185.49 = 1,350.30/x
  3. Step 3: Cross multiply
    4,123.65x = 6,185.49 × 1,350.30
  4. Step 4: Simplify right side
    4,123.65x = 8,352,267.15
  5. Step 5: Solve for x
    x = 8,352,267.15/4,123.65
  6. Step 6: Final answer
    x = 2,025.45

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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.