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Finding the Fourth Proportional to 5,303.50, 7,318.87 and 3,315.23

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Solution

The fourth proportional to 5,303.50, 7,318.87 and 3,315.23 is: 4,575.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.50 : 7,318.87 = 3,315.23 : x
  2. Step 2: Convert to fraction form
    5,303.50/7,318.87 = 3,315.23/x
  3. Step 3: Cross multiply
    5,303.50x = 7,318.87 × 3,315.23
  4. Step 4: Simplify right side
    5,303.50x = 24,263,692.51
  5. Step 5: Solve for x
    x = 24,263,692.51/5,303.50
  6. Step 6: Final answer
    x = 4,575.04

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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.