Home / 4,123.76-6,185.63-1,003.75

Finding the Fourth Proportional to 4,123.76, 6,185.63 and 1,003.75

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Solution

The fourth proportional to 4,123.76, 6,185.63 and 1,003.75 is: 1,505.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.76 : 6,185.63 = 1,003.75 : x
  2. Step 2: Convert to fraction form
    4,123.76/6,185.63 = 1,003.75/x
  3. Step 3: Cross multiply
    4,123.76x = 6,185.63 × 1,003.75
  4. Step 4: Simplify right side
    4,123.76x = 6,208,813.16
  5. Step 5: Solve for x
    x = 6,208,813.16/4,123.76
  6. Step 6: Final answer
    x = 1,505.62

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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.