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Finding the Fourth Proportional to 5,409.56, 7,465.20 and 2,925.56

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Solution

The fourth proportional to 5,409.56, 7,465.20 and 2,925.56 is: 4,037.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.56 : 7,465.20 = 2,925.56 : x
  2. Step 2: Convert to fraction form
    5,409.56/7,465.20 = 2,925.56/x
  3. Step 3: Cross multiply
    5,409.56x = 7,465.20 × 2,925.56
  4. Step 4: Simplify right side
    5,409.56x = 21,839,898.20
  5. Step 5: Solve for x
    x = 21,839,898.20/5,409.56
  6. Step 6: Final answer
    x = 4,037.28

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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.