Home / 8,356.21-12,535.36-2,810.14

Finding the Fourth Proportional to 8,356.21, 12,535.36 and 2,810.14

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Solution

The fourth proportional to 8,356.21, 12,535.36 and 2,810.14 is: 4,215.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.21 : 12,535.36 = 2,810.14 : x
  2. Step 2: Convert to fraction form
    8,356.21/12,535.36 = 2,810.14/x
  3. Step 3: Cross multiply
    8,356.21x = 12,535.36 × 2,810.14
  4. Step 4: Simplify right side
    8,356.21x = 35,226,078.19
  5. Step 5: Solve for x
    x = 35,226,078.19/8,356.21
  6. Step 6: Final answer
    x = 4,215.56

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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.