Home / 7,609.47-11,416.20-2,678.37

Finding the Fourth Proportional to 7,609.47, 11,416.20 and 2,678.37

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Solution

The fourth proportional to 7,609.47, 11,416.20 and 2,678.37 is: 4,018.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,609.47 : 11,416.20 = 2,678.37 : x
  2. Step 2: Convert to fraction form
    7,609.47/11,416.20 = 2,678.37/x
  3. Step 3: Cross multiply
    7,609.47x = 11,416.20 × 2,678.37
  4. Step 4: Simplify right side
    7,609.47x = 30,576,807.59
  5. Step 5: Solve for x
    x = 30,576,807.59/7,609.47
  6. Step 6: Final answer
    x = 4,018.26

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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.