Home / 7,104.88-10,653.84-2,173.20

Finding the Fourth Proportional to 7,104.88, 10,653.84 and 2,173.20

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Solution

The fourth proportional to 7,104.88, 10,653.84 and 2,173.20 is: 3,258.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.88 : 10,653.84 = 2,173.20 : x
  2. Step 2: Convert to fraction form
    7,104.88/10,653.84 = 2,173.20/x
  3. Step 3: Cross multiply
    7,104.88x = 10,653.84 × 2,173.20
  4. Step 4: Simplify right side
    7,104.88x = 23,152,925.09
  5. Step 5: Solve for x
    x = 23,152,925.09/7,104.88
  6. Step 6: Final answer
    x = 3,258.74

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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.