Home / 8,633.55-12,948.93-3,085.95

Finding the Fourth Proportional to 8,633.55, 12,948.93 and 3,085.95

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Solution

The fourth proportional to 8,633.55, 12,948.93 and 3,085.95 is: 4,628.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.55 : 12,948.93 = 3,085.95 : x
  2. Step 2: Convert to fraction form
    8,633.55/12,948.93 = 3,085.95/x
  3. Step 3: Cross multiply
    8,633.55x = 12,948.93 × 3,085.95
  4. Step 4: Simplify right side
    8,633.55x = 39,959,750.53
  5. Step 5: Solve for x
    x = 39,959,750.53/8,633.55
  6. Step 6: Final answer
    x = 4,628.43

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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.