Home / 7,122.69-10,677.56-3,225.51

Finding the Fourth Proportional to 7,122.69, 10,677.56 and 3,225.51

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Solution

The fourth proportional to 7,122.69, 10,677.56 and 3,225.51 is: 4,835.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122.69 : 10,677.56 = 3,225.51 : x
  2. Step 2: Convert to fraction form
    7,122.69/10,677.56 = 3,225.51/x
  3. Step 3: Cross multiply
    7,122.69x = 10,677.56 × 3,225.51
  4. Step 4: Simplify right side
    7,122.69x = 34,440,560.43
  5. Step 5: Solve for x
    x = 34,440,560.43/7,122.69
  6. Step 6: Final answer
    x = 4,835.33

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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.