Home / 6,464.12-9,689.20-2,718.32

Finding the Fourth Proportional to 6,464.12, 9,689.20 and 2,718.32

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Solution

The fourth proportional to 6,464.12, 9,689.20 and 2,718.32 is: 4,074.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464.12 : 9,689.20 = 2,718.32 : x
  2. Step 2: Convert to fraction form
    6,464.12/9,689.20 = 2,718.32/x
  3. Step 3: Cross multiply
    6,464.12x = 9,689.20 × 2,718.32
  4. Step 4: Simplify right side
    6,464.12x = 26,338,346.14
  5. Step 5: Solve for x
    x = 26,338,346.14/6,464.12
  6. Step 6: Final answer
    x = 4,074.54

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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.