Home / 8,634.74-12,950.74-3,087.05

Finding the Fourth Proportional to 8,634.74, 12,950.74 and 3,087.05

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Solution

The fourth proportional to 8,634.74, 12,950.74 and 3,087.05 is: 4,630.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.74 : 12,950.74 = 3,087.05 : x
  2. Step 2: Convert to fraction form
    8,634.74/12,950.74 = 3,087.05/x
  3. Step 3: Cross multiply
    8,634.74x = 12,950.74 × 3,087.05
  4. Step 4: Simplify right side
    8,634.74x = 39,979,566.48
  5. Step 5: Solve for x
    x = 39,979,566.48/8,634.74
  6. Step 6: Final answer
    x = 4,630.08

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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.