Home / 6,435.46-9,653.42-2,218.69

Finding the Fourth Proportional to 6,435.46, 9,653.42 and 2,218.69

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Solution

The fourth proportional to 6,435.46, 9,653.42 and 2,218.69 is: 3,328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435.46 : 9,653.42 = 2,218.69 : x
  2. Step 2: Convert to fraction form
    6,435.46/9,653.42 = 2,218.69/x
  3. Step 3: Cross multiply
    6,435.46x = 9,653.42 × 2,218.69
  4. Step 4: Simplify right side
    6,435.46x = 21,417,946.42
  5. Step 5: Solve for x
    x = 21,417,946.42/6,435.46
  6. Step 6: Final answer
    x = 3,328.11

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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.