Home / 7,157.30-10,734.53-3,260.79

Finding the Fourth Proportional to 7,157.30, 10,734.53 and 3,260.79

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Solution

The fourth proportional to 7,157.30, 10,734.53 and 3,260.79 is: 4,890.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157.30 : 10,734.53 = 3,260.79 : x
  2. Step 2: Convert to fraction form
    7,157.30/10,734.53 = 3,260.79/x
  3. Step 3: Cross multiply
    7,157.30x = 10,734.53 × 3,260.79
  4. Step 4: Simplify right side
    7,157.30x = 35,003,031.77
  5. Step 5: Solve for x
    x = 35,003,031.77/7,157.30
  6. Step 6: Final answer
    x = 4,890.54

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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.