Home / 7,029.13-10,540.79-2,866.31

Finding the Fourth Proportional to 7,029.13, 10,540.79 and 2,866.31

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Solution

The fourth proportional to 7,029.13, 10,540.79 and 2,866.31 is: 4,298.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.13 : 10,540.79 = 2,866.31 : x
  2. Step 2: Convert to fraction form
    7,029.13/10,540.79 = 2,866.31/x
  3. Step 3: Cross multiply
    7,029.13x = 10,540.79 × 2,866.31
  4. Step 4: Simplify right side
    7,029.13x = 30,213,157.45
  5. Step 5: Solve for x
    x = 30,213,157.45/7,029.13
  6. Step 6: Final answer
    x = 4,298.28

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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.