Home / 5,326.83-7,989.92-1,628.77

Finding the Fourth Proportional to 5,326.83, 7,989.92 and 1,628.77

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Solution

The fourth proportional to 5,326.83, 7,989.92 and 1,628.77 is: 2,443.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.83 : 7,989.92 = 1,628.77 : x
  2. Step 2: Convert to fraction form
    5,326.83/7,989.92 = 1,628.77/x
  3. Step 3: Cross multiply
    5,326.83x = 7,989.92 × 1,628.77
  4. Step 4: Simplify right side
    5,326.83x = 13,013,713.88
  5. Step 5: Solve for x
    x = 13,013,713.88/5,326.83
  6. Step 6: Final answer
    x = 2,443.05

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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.