Home / 6,087.95-9,128.45-1,929

Finding the Fourth Proportional to 6,087.95, 9,128.45 and 1,929

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Solution

The fourth proportional to 6,087.95, 9,128.45 and 1,929 is: 2,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,087.95 : 9,128.45 = 1,929 : x
  2. Step 2: Convert to fraction form
    6,087.95/9,128.45 = 1,929/x
  3. Step 3: Cross multiply
    6,087.95x = 9,128.45 × 1,929
  4. Step 4: Simplify right side
    6,087.95x = 17,608,770.41
  5. Step 5: Solve for x
    x = 17,608,770.41/6,087.95
  6. Step 6: Final answer
    x = 2,892.40

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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.