Home / 7,941.84-11,911.02-3,260.70

Finding the Fourth Proportional to 7,941.84, 11,911.02 and 3,260.70

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Solution

The fourth proportional to 7,941.84, 11,911.02 and 3,260.70 is: 4,890.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.84 : 11,911.02 = 3,260.70 : x
  2. Step 2: Convert to fraction form
    7,941.84/11,911.02 = 3,260.70/x
  3. Step 3: Cross multiply
    7,941.84x = 11,911.02 × 3,260.70
  4. Step 4: Simplify right side
    7,941.84x = 38,838,262.91
  5. Step 5: Solve for x
    x = 38,838,262.91/7,941.84
  6. Step 6: Final answer
    x = 4,890.34

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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.