Home / 5,858.10-8,084.20-3,205.50

Finding the Fourth Proportional to 5,858.10, 8,084.20 and 3,205.50

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Solution

The fourth proportional to 5,858.10, 8,084.20 and 3,205.50 is: 4,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,858.10 : 8,084.20 = 3,205.50 : x
  2. Step 2: Convert to fraction form
    5,858.10/8,084.20 = 3,205.50/x
  3. Step 3: Cross multiply
    5,858.10x = 8,084.20 × 3,205.50
  4. Step 4: Simplify right side
    5,858.10x = 25,913,903.10
  5. Step 5: Solve for x
    x = 25,913,903.10/5,858.10
  6. Step 6: Final answer
    x = 4,423.60

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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.