Home / 5,102.52-7,652.34-1,403.85

Finding the Fourth Proportional to 5,102.52, 7,652.34 and 1,403.85

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Solution

The fourth proportional to 5,102.52, 7,652.34 and 1,403.85 is: 2,105.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.52 : 7,652.34 = 1,403.85 : x
  2. Step 2: Convert to fraction form
    5,102.52/7,652.34 = 1,403.85/x
  3. Step 3: Cross multiply
    5,102.52x = 7,652.34 × 1,403.85
  4. Step 4: Simplify right side
    5,102.52x = 10,742,737.51
  5. Step 5: Solve for x
    x = 10,742,737.51/5,102.52
  6. Step 6: Final answer
    x = 2,105.38

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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.