Home / 6,454.51-8,907.34-3,621.73

Finding the Fourth Proportional to 6,454.51, 8,907.34 and 3,621.73

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Solution

The fourth proportional to 6,454.51, 8,907.34 and 3,621.73 is: 4,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,454.51 : 8,907.34 = 3,621.73 : x
  2. Step 2: Convert to fraction form
    6,454.51/8,907.34 = 3,621.73/x
  3. Step 3: Cross multiply
    6,454.51x = 8,907.34 × 3,621.73
  4. Step 4: Simplify right side
    6,454.51x = 32,259,980.50
  5. Step 5: Solve for x
    x = 32,259,980.50/6,454.51
  6. Step 6: Final answer
    x = 4,998.05

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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.