Home / 6,505.18-8,976.99-3,710.50

Finding the Fourth Proportional to 6,505.18, 8,976.99 and 3,710.50

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Solution

The fourth proportional to 6,505.18, 8,976.99 and 3,710.50 is: 5,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.18 : 8,976.99 = 3,710.50 : x
  2. Step 2: Convert to fraction form
    6,505.18/8,976.99 = 3,710.50/x
  3. Step 3: Cross multiply
    6,505.18x = 8,976.99 × 3,710.50
  4. Step 4: Simplify right side
    6,505.18x = 33,309,121.40
  5. Step 5: Solve for x
    x = 33,309,121.40/6,505.18
  6. Step 6: Final answer
    x = 5,120.40

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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.