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Finding the Fourth Proportional to 6,145.96, 8,472.18 and 4,655.56

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Solution

The fourth proportional to 6,145.96, 8,472.18 and 4,655.56 is: 6,417.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.96 : 8,472.18 = 4,655.56 : x
  2. Step 2: Convert to fraction form
    6,145.96/8,472.18 = 4,655.56/x
  3. Step 3: Cross multiply
    6,145.96x = 8,472.18 × 4,655.56
  4. Step 4: Simplify right side
    6,145.96x = 39,442,742.32
  5. Step 5: Solve for x
    x = 39,442,742.32/6,145.96
  6. Step 6: Final answer
    x = 6,417.67

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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.