Home / 8,953.15-13,420.35-3,403.03

Finding the Fourth Proportional to 8,953.15, 13,420.35 and 3,403.03

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Solution

The fourth proportional to 8,953.15, 13,420.35 and 3,403.03 is: 5,100.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,953.15 : 13,420.35 = 3,403.03 : x
  2. Step 2: Convert to fraction form
    8,953.15/13,420.35 = 3,403.03/x
  3. Step 3: Cross multiply
    8,953.15x = 13,420.35 × 3,403.03
  4. Step 4: Simplify right side
    8,953.15x = 45,669,853.66
  5. Step 5: Solve for x
    x = 45,669,853.66/8,953.15
  6. Step 6: Final answer
    x = 5,100.98

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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.