Home / 6,454.61-8,907.41-3,622.05

Finding the Fourth Proportional to 6,454.61, 8,907.41 and 3,622.05

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Solution

The fourth proportional to 6,454.61, 8,907.41 and 3,622.05 is: 4,998.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,454.61 : 8,907.41 = 3,622.05 : x
  2. Step 2: Convert to fraction form
    6,454.61/8,907.41 = 3,622.05/x
  3. Step 3: Cross multiply
    6,454.61x = 8,907.41 × 3,622.05
  4. Step 4: Simplify right side
    6,454.61x = 32,263,072.11
  5. Step 5: Solve for x
    x = 32,263,072.11/6,454.61
  6. Step 6: Final answer
    x = 4,998.45

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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.