Home / 5,561.01-7,670.65-3,881.80

Finding the Fourth Proportional to 5,561.01, 7,670.65 and 3,881.80

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Solution

The fourth proportional to 5,561.01, 7,670.65 and 3,881.80 is: 5,354.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.01 : 7,670.65 = 3,881.80 : x
  2. Step 2: Convert to fraction form
    5,561.01/7,670.65 = 3,881.80/x
  3. Step 3: Cross multiply
    5,561.01x = 7,670.65 × 3,881.80
  4. Step 4: Simplify right side
    5,561.01x = 29,775,909.76
  5. Step 5: Solve for x
    x = 29,775,909.76/5,561.01
  6. Step 6: Final answer
    x = 5,354.41

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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.