Home / 5,355.72-8,017.20-4,305.96

Finding the Fourth Proportional to 5,355.72, 8,017.20 and 4,305.96

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Solution

The fourth proportional to 5,355.72, 8,017.20 and 4,305.96 is: 6,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.72 : 8,017.20 = 4,305.96 : x
  2. Step 2: Convert to fraction form
    5,355.72/8,017.20 = 4,305.96/x
  3. Step 3: Cross multiply
    5,355.72x = 8,017.20 × 4,305.96
  4. Step 4: Simplify right side
    5,355.72x = 34,521,742.51
  5. Step 5: Solve for x
    x = 34,521,742.51/5,355.72
  6. Step 6: Final answer
    x = 6,445.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.