Home / 7,828.94-10,803.98-4,243.91

Finding the Fourth Proportional to 7,828.94, 10,803.98 and 4,243.91

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Solution

The fourth proportional to 7,828.94, 10,803.98 and 4,243.91 is: 5,856.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.94 : 10,803.98 = 4,243.91 : x
  2. Step 2: Convert to fraction form
    7,828.94/10,803.98 = 4,243.91/x
  3. Step 3: Cross multiply
    7,828.94x = 10,803.98 × 4,243.91
  4. Step 4: Simplify right side
    7,828.94x = 45,851,043.52
  5. Step 5: Solve for x
    x = 45,851,043.52/7,828.94
  6. Step 6: Final answer
    x = 5,856.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.