Home / 7,943.81-11,915.71-4,050.95

Finding the Fourth Proportional to 7,943.81, 11,915.71 and 4,050.95

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Solution

The fourth proportional to 7,943.81, 11,915.71 and 4,050.95 is: 6,076.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.81 : 11,915.71 = 4,050.95 : x
  2. Step 2: Convert to fraction form
    7,943.81/11,915.71 = 4,050.95/x
  3. Step 3: Cross multiply
    7,943.81x = 11,915.71 × 4,050.95
  4. Step 4: Simplify right side
    7,943.81x = 48,269,875.72
  5. Step 5: Solve for x
    x = 48,269,875.72/7,943.81
  6. Step 6: Final answer
    x = 6,076.42

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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.