Home / 6,501.45-8,971.79-3,668.90

Finding the Fourth Proportional to 6,501.45, 8,971.79 and 3,668.90

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Solution

The fourth proportional to 6,501.45, 8,971.79 and 3,668.90 is: 5,062.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,501.45 : 8,971.79 = 3,668.90 : x
  2. Step 2: Convert to fraction form
    6,501.45/8,971.79 = 3,668.90/x
  3. Step 3: Cross multiply
    6,501.45x = 8,971.79 × 3,668.90
  4. Step 4: Simplify right side
    6,501.45x = 32,916,584.53
  5. Step 5: Solve for x
    x = 32,916,584.53/6,501.45
  6. Step 6: Final answer
    x = 5,062.96

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1.5x scale

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.