Home / 7,173.09-10,687.53-6,770.22

Finding the Fourth Proportional to 7,173.09, 10,687.53 and 6,770.22

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Solution

The fourth proportional to 7,173.09, 10,687.53 and 6,770.22 is: 10,087.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173.09 : 10,687.53 = 6,770.22 : x
  2. Step 2: Convert to fraction form
    7,173.09/10,687.53 = 6,770.22/x
  3. Step 3: Cross multiply
    7,173.09x = 10,687.53 × 6,770.22
  4. Step 4: Simplify right side
    7,173.09x = 72,356,875.92
  5. Step 5: Solve for x
    x = 72,356,875.92/7,173.09
  6. Step 6: Final answer
    x = 10,087.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.