Home / 6,405.90-9,604.86-2,246.32

Finding the Fourth Proportional to 6,405.90, 9,604.86 and 2,246.32

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Solution

The fourth proportional to 6,405.90, 9,604.86 and 2,246.32 is: 3,368.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405.90 : 9,604.86 = 2,246.32 : x
  2. Step 2: Convert to fraction form
    6,405.90/9,604.86 = 2,246.32/x
  3. Step 3: Cross multiply
    6,405.90x = 9,604.86 × 2,246.32
  4. Step 4: Simplify right side
    6,405.90x = 21,575,589.12
  5. Step 5: Solve for x
    x = 21,575,589.12/6,405.90
  6. Step 6: Final answer
    x = 3,368.08

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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.