Home / 7,980.08-11,014.77-4,794.39

Finding the Fourth Proportional to 7,980.08, 11,014.77 and 4,794.39

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Solution

The fourth proportional to 7,980.08, 11,014.77 and 4,794.39 is: 6,617.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980.08 : 11,014.77 = 4,794.39 : x
  2. Step 2: Convert to fraction form
    7,980.08/11,014.77 = 4,794.39/x
  3. Step 3: Cross multiply
    7,980.08x = 11,014.77 × 4,794.39
  4. Step 4: Simplify right side
    7,980.08x = 52,809,114.38
  5. Step 5: Solve for x
    x = 52,809,114.38/7,980.08
  6. Step 6: Final answer
    x = 6,617.62

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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.