Home / 6,860.09-10,290.75-1,929.77

Finding the Fourth Proportional to 6,860.09, 10,290.75 and 1,929.77

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Solution

The fourth proportional to 6,860.09, 10,290.75 and 1,929.77 is: 2,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.09 : 10,290.75 = 1,929.77 : x
  2. Step 2: Convert to fraction form
    6,860.09/10,290.75 = 1,929.77/x
  3. Step 3: Cross multiply
    6,860.09x = 10,290.75 × 1,929.77
  4. Step 4: Simplify right side
    6,860.09x = 19,858,818.41
  5. Step 5: Solve for x
    x = 19,858,818.41/6,860.09
  6. Step 6: Final answer
    x = 2,894.83

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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.