Home / 8,418.14-12,627.08-2,875.37

Finding the Fourth Proportional to 8,418.14, 12,627.08 and 2,875.37

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Solution

The fourth proportional to 8,418.14, 12,627.08 and 2,875.37 is: 4,313.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.14 : 12,627.08 = 2,875.37 : x
  2. Step 2: Convert to fraction form
    8,418.14/12,627.08 = 2,875.37/x
  3. Step 3: Cross multiply
    8,418.14x = 12,627.08 × 2,875.37
  4. Step 4: Simplify right side
    8,418.14x = 36,307,460.29
  5. Step 5: Solve for x
    x = 36,307,460.29/8,418.14
  6. Step 6: Final answer
    x = 4,313.00

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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.