Home / 5,326.34-7,989.51-1,628.57

Finding the Fourth Proportional to 5,326.34, 7,989.51 and 1,628.57

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Solution

The fourth proportional to 5,326.34, 7,989.51 and 1,628.57 is: 2,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.34 : 7,989.51 = 1,628.57 : x
  2. Step 2: Convert to fraction form
    5,326.34/7,989.51 = 1,628.57/x
  3. Step 3: Cross multiply
    5,326.34x = 7,989.51 × 1,628.57
  4. Step 4: Simplify right side
    5,326.34x = 13,011,473.04
  5. Step 5: Solve for x
    x = 13,011,473.04/5,326.34
  6. Step 6: Final answer
    x = 2,442.85

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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.