Home / 7,110.63-10,666.40-2,180.34

Finding the Fourth Proportional to 7,110.63, 10,666.40 and 2,180.34

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Solution

The fourth proportional to 7,110.63, 10,666.40 and 2,180.34 is: 3,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.63 : 10,666.40 = 2,180.34 : x
  2. Step 2: Convert to fraction form
    7,110.63/10,666.40 = 2,180.34/x
  3. Step 3: Cross multiply
    7,110.63x = 10,666.40 × 2,180.34
  4. Step 4: Simplify right side
    7,110.63x = 23,256,367.67
  5. Step 5: Solve for x
    x = 23,256,367.67/7,110.63
  6. Step 6: Final answer
    x = 3,270.65

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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.