Home / 8,634.98-12,950.04-2,790.02

Finding the Fourth Proportional to 8,634.98, 12,950.04 and 2,790.02

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Solution

The fourth proportional to 8,634.98, 12,950.04 and 2,790.02 is: 4,184.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.98 : 12,950.04 = 2,790.02 : x
  2. Step 2: Convert to fraction form
    8,634.98/12,950.04 = 2,790.02/x
  3. Step 3: Cross multiply
    8,634.98x = 12,950.04 × 2,790.02
  4. Step 4: Simplify right side
    8,634.98x = 36,130,870.60
  5. Step 5: Solve for x
    x = 36,130,870.60/8,634.98
  6. Step 6: Final answer
    x = 4,184.24

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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.