Home / 6,220.38-8,583.15-3,862.50

Finding the Fourth Proportional to 6,220.38, 8,583.15 and 3,862.50

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Solution

The fourth proportional to 6,220.38, 8,583.15 and 3,862.50 is: 5,329.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.38 : 8,583.15 = 3,862.50 : x
  2. Step 2: Convert to fraction form
    6,220.38/8,583.15 = 3,862.50/x
  3. Step 3: Cross multiply
    6,220.38x = 8,583.15 × 3,862.50
  4. Step 4: Simplify right side
    6,220.38x = 33,152,416.88
  5. Step 5: Solve for x
    x = 33,152,416.88/6,220.38
  6. Step 6: Final answer
    x = 5,329.64

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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.