Home / 4,425.36-6,636.79-1,653.13

Finding the Fourth Proportional to 4,425.36, 6,636.79 and 1,653.13

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Solution

The fourth proportional to 4,425.36, 6,636.79 and 1,653.13 is: 2,479.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,425.36 : 6,636.79 = 1,653.13 : x
  2. Step 2: Convert to fraction form
    4,425.36/6,636.79 = 1,653.13/x
  3. Step 3: Cross multiply
    4,425.36x = 6,636.79 × 1,653.13
  4. Step 4: Simplify right side
    4,425.36x = 10,971,476.65
  5. Step 5: Solve for x
    x = 10,971,476.65/4,425.36
  6. Step 6: Final answer
    x = 2,479.23

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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.