Home / 7,053.40-10,579.30-1,859.68

Finding the Fourth Proportional to 7,053.40, 10,579.30 and 1,859.68

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Solution

The fourth proportional to 7,053.40, 10,579.30 and 1,859.68 is: 2,789.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053.40 : 10,579.30 = 1,859.68 : x
  2. Step 2: Convert to fraction form
    7,053.40/10,579.30 = 1,859.68/x
  3. Step 3: Cross multiply
    7,053.40x = 10,579.30 × 1,859.68
  4. Step 4: Simplify right side
    7,053.40x = 19,674,112.62
  5. Step 5: Solve for x
    x = 19,674,112.62/7,053.40
  6. Step 6: Final answer
    x = 2,789.31

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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.