Home / 7,156.37-10,732.73-4,815.06

Finding the Fourth Proportional to 7,156.37, 10,732.73 and 4,815.06

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Solution

The fourth proportional to 7,156.37, 10,732.73 and 4,815.06 is: 7,221.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.37 : 10,732.73 = 4,815.06 : x
  2. Step 2: Convert to fraction form
    7,156.37/10,732.73 = 4,815.06/x
  3. Step 3: Cross multiply
    7,156.37x = 10,732.73 × 4,815.06
  4. Step 4: Simplify right side
    7,156.37x = 51,678,714.84
  5. Step 5: Solve for x
    x = 51,678,714.84/7,156.37
  6. Step 6: Final answer
    x = 7,221.36

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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.