Home / 10,628.48-15,939.48-2,836.28

Finding the Fourth Proportional to 10,628.48, 15,939.48 and 2,836.28

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Solution

The fourth proportional to 10,628.48, 15,939.48 and 2,836.28 is: 4,253.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.48 : 15,939.48 = 2,836.28 : x
  2. Step 2: Convert to fraction form
    10,628.48/15,939.48 = 2,836.28/x
  3. Step 3: Cross multiply
    10,628.48x = 15,939.48 × 2,836.28
  4. Step 4: Simplify right side
    10,628.48x = 45,208,828.33
  5. Step 5: Solve for x
    x = 45,208,828.33/10,628.48
  6. Step 6: Final answer
    x = 4,253.56

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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.