Home / 6,815.75-10,223.63-1,885.77

Finding the Fourth Proportional to 6,815.75, 10,223.63 and 1,885.77

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Solution

The fourth proportional to 6,815.75, 10,223.63 and 1,885.77 is: 2,828.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.75 : 10,223.63 = 1,885.77 : x
  2. Step 2: Convert to fraction form
    6,815.75/10,223.63 = 1,885.77/x
  3. Step 3: Cross multiply
    6,815.75x = 10,223.63 × 1,885.77
  4. Step 4: Simplify right side
    6,815.75x = 19,279,405.32
  5. Step 5: Solve for x
    x = 19,279,405.32/6,815.75
  6. Step 6: Final answer
    x = 2,828.66

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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.