Home / 4,185.80-6,277.23-1,223.45

Finding the Fourth Proportional to 4,185.80, 6,277.23 and 1,223.45

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Solution

The fourth proportional to 4,185.80, 6,277.23 and 1,223.45 is: 1,834.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.80 : 6,277.23 = 1,223.45 : x
  2. Step 2: Convert to fraction form
    4,185.80/6,277.23 = 1,223.45/x
  3. Step 3: Cross multiply
    4,185.80x = 6,277.23 × 1,223.45
  4. Step 4: Simplify right side
    4,185.80x = 7,679,892.74
  5. Step 5: Solve for x
    x = 7,679,892.74/4,185.80
  6. Step 6: Final answer
    x = 1,834.75

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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.