Home / 5,415.64-7,477.50-3,558.04

Finding the Fourth Proportional to 5,415.64, 7,477.50 and 3,558.04

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Solution

The fourth proportional to 5,415.64, 7,477.50 and 3,558.04 is: 4,912.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.64 : 7,477.50 = 3,558.04 : x
  2. Step 2: Convert to fraction form
    5,415.64/7,477.50 = 3,558.04/x
  3. Step 3: Cross multiply
    5,415.64x = 7,477.50 × 3,558.04
  4. Step 4: Simplify right side
    5,415.64x = 26,605,244.10
  5. Step 5: Solve for x
    x = 26,605,244.10/5,415.64
  6. Step 6: Final answer
    x = 4,912.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.