Home / 5,317.30-8,015.78-4,960.50

Finding the Fourth Proportional to 5,317.30, 8,015.78 and 4,960.50

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Solution

The fourth proportional to 5,317.30, 8,015.78 and 4,960.50 is: 7,477.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.30 : 8,015.78 = 4,960.50 : x
  2. Step 2: Convert to fraction form
    5,317.30/8,015.78 = 4,960.50/x
  3. Step 3: Cross multiply
    5,317.30x = 8,015.78 × 4,960.50
  4. Step 4: Simplify right side
    5,317.30x = 39,762,276.69
  5. Step 5: Solve for x
    x = 39,762,276.69/5,317.30
  6. Step 6: Final answer
    x = 7,477.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.