Home / 8,701.86-13,046.72-2,776.79

Finding the Fourth Proportional to 8,701.86, 13,046.72 and 2,776.79

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Solution

The fourth proportional to 8,701.86, 13,046.72 and 2,776.79 is: 4,163.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.86 : 13,046.72 = 2,776.79 : x
  2. Step 2: Convert to fraction form
    8,701.86/13,046.72 = 2,776.79/x
  3. Step 3: Cross multiply
    8,701.86x = 13,046.72 × 2,776.79
  4. Step 4: Simplify right side
    8,701.86x = 36,227,922.51
  5. Step 5: Solve for x
    x = 36,227,922.51/8,701.86
  6. Step 6: Final answer
    x = 4,163.24

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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.