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Finding the Fourth Proportional to 5,509.24, 7,602.77 and 2,991.35

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Solution

The fourth proportional to 5,509.24, 7,602.77 and 2,991.35 is: 4,128.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.24 : 7,602.77 = 2,991.35 : x
  2. Step 2: Convert to fraction form
    5,509.24/7,602.77 = 2,991.35/x
  3. Step 3: Cross multiply
    5,509.24x = 7,602.77 × 2,991.35
  4. Step 4: Simplify right side
    5,509.24x = 22,742,546.04
  5. Step 5: Solve for x
    x = 22,742,546.04/5,509.24
  6. Step 6: Final answer
    x = 4,128.07

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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.