Home / 5,457.88-7,531.80-3,100

Finding the Fourth Proportional to 5,457.88, 7,531.80 and 3,100

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Solution

The fourth proportional to 5,457.88, 7,531.80 and 3,100 is: 4,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.88 : 7,531.80 = 3,100 : x
  2. Step 2: Convert to fraction form
    5,457.88/7,531.80 = 3,100/x
  3. Step 3: Cross multiply
    5,457.88x = 7,531.80 × 3,100
  4. Step 4: Simplify right side
    5,457.88x = 23,348,580
  5. Step 5: Solve for x
    x = 23,348,580/5,457.88
  6. Step 6: Final answer
    x = 4,277.96

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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.