Home / 5,330.35-7,993.36-1,866.79

Finding the Fourth Proportional to 5,330.35, 7,993.36 and 1,866.79

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Solution

The fourth proportional to 5,330.35, 7,993.36 and 1,866.79 is: 2,799.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.35 : 7,993.36 = 1,866.79 : x
  2. Step 2: Convert to fraction form
    5,330.35/7,993.36 = 1,866.79/x
  3. Step 3: Cross multiply
    5,330.35x = 7,993.36 × 1,866.79
  4. Step 4: Simplify right side
    5,330.35x = 14,921,924.51
  5. Step 5: Solve for x
    x = 14,921,924.51/5,330.35
  6. Step 6: Final answer
    x = 2,799.43

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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.