Home / 8,200.02-11,315.19-4,661.94

Finding the Fourth Proportional to 8,200.02, 11,315.19 and 4,661.94

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Solution

The fourth proportional to 8,200.02, 11,315.19 and 4,661.94 is: 6,433.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.02 : 11,315.19 = 4,661.94 : x
  2. Step 2: Convert to fraction form
    8,200.02/11,315.19 = 4,661.94/x
  3. Step 3: Cross multiply
    8,200.02x = 11,315.19 × 4,661.94
  4. Step 4: Simplify right side
    8,200.02x = 52,750,736.87
  5. Step 5: Solve for x
    x = 52,750,736.87/8,200.02
  6. Step 6: Final answer
    x = 6,433.00

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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.