Home / 5,635.44-7,776-3,538.08

Finding the Fourth Proportional to 5,635.44, 7,776 and 3,538.08

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Solution

The fourth proportional to 5,635.44, 7,776 and 3,538.08 is: 4,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.44 : 7,776 = 3,538.08 : x
  2. Step 2: Convert to fraction form
    5,635.44/7,776 = 3,538.08/x
  3. Step 3: Cross multiply
    5,635.44x = 7,776 × 3,538.08
  4. Step 4: Simplify right side
    5,635.44x = 27,512,110.08
  5. Step 5: Solve for x
    x = 27,512,110.08/5,635.44
  6. Step 6: Final answer
    x = 4,881.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.