Home / 8,220.03-12,329.64-3,025.50

Finding the Fourth Proportional to 8,220.03, 12,329.64 and 3,025.50

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Solution

The fourth proportional to 8,220.03, 12,329.64 and 3,025.50 is: 4,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.03 : 12,329.64 = 3,025.50 : x
  2. Step 2: Convert to fraction form
    8,220.03/12,329.64 = 3,025.50/x
  3. Step 3: Cross multiply
    8,220.03x = 12,329.64 × 3,025.50
  4. Step 4: Simplify right side
    8,220.03x = 37,303,325.82
  5. Step 5: Solve for x
    x = 37,303,325.82/8,220.03
  6. Step 6: Final answer
    x = 4,538.10

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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.