Home / 6,454.81-8,907.48-3,622.20

Finding the Fourth Proportional to 6,454.81, 8,907.48 and 3,622.20

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Solution

The fourth proportional to 6,454.81, 8,907.48 and 3,622.20 is: 4,998.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,454.81 : 8,907.48 = 3,622.20 : x
  2. Step 2: Convert to fraction form
    6,454.81/8,907.48 = 3,622.20/x
  3. Step 3: Cross multiply
    6,454.81x = 8,907.48 × 3,622.20
  4. Step 4: Simplify right side
    6,454.81x = 32,264,674.06
  5. Step 5: Solve for x
    x = 32,264,674.06/6,454.81
  6. Step 6: Final answer
    x = 4,998.55

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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.