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Finding the Fourth Proportional to 5,777.25, 7,972.58 and 3,124.65

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Solution

The fourth proportional to 5,777.25, 7,972.58 and 3,124.65 is: 4,312.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.25 : 7,972.58 = 3,124.65 : x
  2. Step 2: Convert to fraction form
    5,777.25/7,972.58 = 3,124.65/x
  3. Step 3: Cross multiply
    5,777.25x = 7,972.58 × 3,124.65
  4. Step 4: Simplify right side
    5,777.25x = 24,911,506.47
  5. Step 5: Solve for x
    x = 24,911,506.47/5,777.25
  6. Step 6: Final answer
    x = 4,312.00

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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.