Home / 7,166.56-10,748.92-1,972.84

Finding the Fourth Proportional to 7,166.56, 10,748.92 and 1,972.84

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Solution

The fourth proportional to 7,166.56, 10,748.92 and 1,972.84 is: 2,959.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166.56 : 10,748.92 = 1,972.84 : x
  2. Step 2: Convert to fraction form
    7,166.56/10,748.92 = 1,972.84/x
  3. Step 3: Cross multiply
    7,166.56x = 10,748.92 × 1,972.84
  4. Step 4: Simplify right side
    7,166.56x = 21,205,899.33
  5. Step 5: Solve for x
    x = 21,205,899.33/7,166.56
  6. Step 6: Final answer
    x = 2,959.01

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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.