Home / 7,117.37-10,676.44-2,957.79

Finding the Fourth Proportional to 7,117.37, 10,676.44 and 2,957.79

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Solution

The fourth proportional to 7,117.37, 10,676.44 and 2,957.79 is: 4,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.37 : 10,676.44 = 2,957.79 : x
  2. Step 2: Convert to fraction form
    7,117.37/10,676.44 = 2,957.79/x
  3. Step 3: Cross multiply
    7,117.37x = 10,676.44 × 2,957.79
  4. Step 4: Simplify right side
    7,117.37x = 31,578,660.07
  5. Step 5: Solve for x
    x = 31,578,660.07/7,117.37
  6. Step 6: Final answer
    x = 4,436.85

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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.