Home / 6,503.43-8,975.53-3,985.90

Finding the Fourth Proportional to 6,503.43, 8,975.53 and 3,985.90

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Solution

The fourth proportional to 6,503.43, 8,975.53 and 3,985.90 is: 5,501.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,503.43 : 8,975.53 = 3,985.90 : x
  2. Step 2: Convert to fraction form
    6,503.43/8,975.53 = 3,985.90/x
  3. Step 3: Cross multiply
    6,503.43x = 8,975.53 × 3,985.90
  4. Step 4: Simplify right side
    6,503.43x = 35,775,525.15
  5. Step 5: Solve for x
    x = 35,775,525.15/6,503.43
  6. Step 6: Final answer
    x = 5,501.03

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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.