Home / 9,210.86-13,814.28-2,635.28

Finding the Fourth Proportional to 9,210.86, 13,814.28 and 2,635.28

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Solution

The fourth proportional to 9,210.86, 13,814.28 and 2,635.28 is: 3,952.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.86 : 13,814.28 = 2,635.28 : x
  2. Step 2: Convert to fraction form
    9,210.86/13,814.28 = 2,635.28/x
  3. Step 3: Cross multiply
    9,210.86x = 13,814.28 × 2,635.28
  4. Step 4: Simplify right side
    9,210.86x = 36,404,495.80
  5. Step 5: Solve for x
    x = 36,404,495.80/9,210.86
  6. Step 6: Final answer
    x = 3,952.34

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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.