Home / 7,102.06-10,653.09-2,720.77

Finding the Fourth Proportional to 7,102.06, 10,653.09 and 2,720.77

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Solution

The fourth proportional to 7,102.06, 10,653.09 and 2,720.77 is: 4,081.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102.06 : 10,653.09 = 2,720.77 : x
  2. Step 2: Convert to fraction form
    7,102.06/10,653.09 = 2,720.77/x
  3. Step 3: Cross multiply
    7,102.06x = 10,653.09 × 2,720.77
  4. Step 4: Simplify right side
    7,102.06x = 28,984,607.68
  5. Step 5: Solve for x
    x = 28,984,607.68/7,102.06
  6. Step 6: Final answer
    x = 4,081.16

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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.