Home / 8,928.54-13,394.69-2,689.01

Finding the Fourth Proportional to 8,928.54, 13,394.69 and 2,689.01

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Solution

The fourth proportional to 8,928.54, 13,394.69 and 2,689.01 is: 4,034.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.54 : 13,394.69 = 2,689.01 : x
  2. Step 2: Convert to fraction form
    8,928.54/13,394.69 = 2,689.01/x
  3. Step 3: Cross multiply
    8,928.54x = 13,394.69 × 2,689.01
  4. Step 4: Simplify right side
    8,928.54x = 36,018,455.36
  5. Step 5: Solve for x
    x = 36,018,455.36/8,928.54
  6. Step 6: Final answer
    x = 4,034.08

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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.