Home / 5,549.61-8,321.58-1,653.51

Finding the Fourth Proportional to 5,549.61, 8,321.58 and 1,653.51

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Solution

The fourth proportional to 5,549.61, 8,321.58 and 1,653.51 is: 2,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.61 : 8,321.58 = 1,653.51 : x
  2. Step 2: Convert to fraction form
    5,549.61/8,321.58 = 1,653.51/x
  3. Step 3: Cross multiply
    5,549.61x = 8,321.58 × 1,653.51
  4. Step 4: Simplify right side
    5,549.61x = 13,759,815.75
  5. Step 5: Solve for x
    x = 13,759,815.75/5,549.61
  6. Step 6: Final answer
    x = 2,479.42

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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.