Home / 5,326.67-7,989.96-1,628.88

Finding the Fourth Proportional to 5,326.67, 7,989.96 and 1,628.88

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Solution

The fourth proportional to 5,326.67, 7,989.96 and 1,628.88 is: 2,443.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.67 : 7,989.96 = 1,628.88 : x
  2. Step 2: Convert to fraction form
    5,326.67/7,989.96 = 1,628.88/x
  3. Step 3: Cross multiply
    5,326.67x = 7,989.96 × 1,628.88
  4. Step 4: Simplify right side
    5,326.67x = 13,014,686.04
  5. Step 5: Solve for x
    x = 13,014,686.04/5,326.67
  6. Step 6: Final answer
    x = 2,443.31

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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.