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Finding the Fourth Proportional to 5,777.84, 7,973.40 and 3,125.25

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Solution

The fourth proportional to 5,777.84, 7,973.40 and 3,125.25 is: 4,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.84 : 7,973.40 = 3,125.25 : x
  2. Step 2: Convert to fraction form
    5,777.84/7,973.40 = 3,125.25/x
  3. Step 3: Cross multiply
    5,777.84x = 7,973.40 × 3,125.25
  4. Step 4: Simplify right side
    5,777.84x = 24,918,812.86
  5. Step 5: Solve for x
    x = 24,918,812.86/5,777.84
  6. Step 6: Final answer
    x = 4,312.83

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