Home / 7,018.25-10,530.11-2,636.05

Finding the Fourth Proportional to 7,018.25, 10,530.11 and 2,636.05

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Solution

The fourth proportional to 7,018.25, 10,530.11 and 2,636.05 is: 3,955.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.25 : 10,530.11 = 2,636.05 : x
  2. Step 2: Convert to fraction form
    7,018.25/10,530.11 = 2,636.05/x
  3. Step 3: Cross multiply
    7,018.25x = 10,530.11 × 2,636.05
  4. Step 4: Simplify right side
    7,018.25x = 27,757,896.47
  5. Step 5: Solve for x
    x = 27,757,896.47/7,018.25
  6. Step 6: Final answer
    x = 3,955.10

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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.