Home / 5,326.58-7,989.89-1,628.79

Finding the Fourth Proportional to 5,326.58, 7,989.89 and 1,628.79

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Solution

The fourth proportional to 5,326.58, 7,989.89 and 1,628.79 is: 2,443.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.58 : 7,989.89 = 1,628.79 : x
  2. Step 2: Convert to fraction form
    5,326.58/7,989.89 = 1,628.79/x
  3. Step 3: Cross multiply
    5,326.58x = 7,989.89 × 1,628.79
  4. Step 4: Simplify right side
    5,326.58x = 13,013,852.93
  5. Step 5: Solve for x
    x = 13,013,852.93/5,326.58
  6. Step 6: Final answer
    x = 2,443.19

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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.