Home / 9,438.96-14,157.52-2,865.20

Finding the Fourth Proportional to 9,438.96, 14,157.52 and 2,865.20

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Solution

The fourth proportional to 9,438.96, 14,157.52 and 2,865.20 is: 4,297.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.96 : 14,157.52 = 2,865.20 : x
  2. Step 2: Convert to fraction form
    9,438.96/14,157.52 = 2,865.20/x
  3. Step 3: Cross multiply
    9,438.96x = 14,157.52 × 2,865.20
  4. Step 4: Simplify right side
    9,438.96x = 40,564,100.26
  5. Step 5: Solve for x
    x = 40,564,100.26/9,438.96
  6. Step 6: Final answer
    x = 4,297.52

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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.