Home / 8,941.52-13,412.28-2,786

Finding the Fourth Proportional to 8,941.52, 13,412.28 and 2,786

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Solution

The fourth proportional to 8,941.52, 13,412.28 and 2,786 is: 4,179

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.52 : 13,412.28 = 2,786 : x
  2. Step 2: Convert to fraction form
    8,941.52/13,412.28 = 2,786/x
  3. Step 3: Cross multiply
    8,941.52x = 13,412.28 × 2,786
  4. Step 4: Simplify right side
    8,941.52x = 37,366,612.08
  5. Step 5: Solve for x
    x = 37,366,612.08/8,941.52
  6. Step 6: Final answer
    x = 4,179

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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.