Home / 5,326.37-7,988.02-1,628.89

Finding the Fourth Proportional to 5,326.37, 7,988.02 and 1,628.89

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Solution

The fourth proportional to 5,326.37, 7,988.02 and 1,628.89 is: 2,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.37 : 7,988.02 = 1,628.89 : x
  2. Step 2: Convert to fraction form
    5,326.37/7,988.02 = 1,628.89/x
  3. Step 3: Cross multiply
    5,326.37x = 7,988.02 × 1,628.89
  4. Step 4: Simplify right side
    5,326.37x = 13,011,584.66
  5. Step 5: Solve for x
    x = 13,011,584.66/5,326.37
  6. Step 6: Final answer
    x = 2,442.86

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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.