Home / 5,110.64-7,666.32-1,824.08

Finding the Fourth Proportional to 5,110.64, 7,666.32 and 1,824.08

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Solution

The fourth proportional to 5,110.64, 7,666.32 and 1,824.08 is: 2,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.64 : 7,666.32 = 1,824.08 : x
  2. Step 2: Convert to fraction form
    5,110.64/7,666.32 = 1,824.08/x
  3. Step 3: Cross multiply
    5,110.64x = 7,666.32 × 1,824.08
  4. Step 4: Simplify right side
    5,110.64x = 13,983,980.99
  5. Step 5: Solve for x
    x = 13,983,980.99/5,110.64
  6. Step 6: Final answer
    x = 2,736.25

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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.