Home / 7,166.05-10,749.56-1,900.98

Finding the Fourth Proportional to 7,166.05, 10,749.56 and 1,900.98

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Solution

The fourth proportional to 7,166.05, 10,749.56 and 1,900.98 is: 2,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166.05 : 10,749.56 = 1,900.98 : x
  2. Step 2: Convert to fraction form
    7,166.05/10,749.56 = 1,900.98/x
  3. Step 3: Cross multiply
    7,166.05x = 10,749.56 × 1,900.98
  4. Step 4: Simplify right side
    7,166.05x = 20,434,689.06
  5. Step 5: Solve for x
    x = 20,434,689.06/7,166.05
  6. Step 6: Final answer
    x = 2,851.60

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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.