Home / 7,008.18-10,505.79-2,628.51

Finding the Fourth Proportional to 7,008.18, 10,505.79 and 2,628.51

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Solution

The fourth proportional to 7,008.18, 10,505.79 and 2,628.51 is: 3,940.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.18 : 10,505.79 = 2,628.51 : x
  2. Step 2: Convert to fraction form
    7,008.18/10,505.79 = 2,628.51/x
  3. Step 3: Cross multiply
    7,008.18x = 10,505.79 × 2,628.51
  4. Step 4: Simplify right side
    7,008.18x = 27,614,574.07
  5. Step 5: Solve for x
    x = 27,614,574.07/7,008.18
  6. Step 6: Final answer
    x = 3,940.33

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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.