Home / 4,670.87-6,988.79-2,907.62

Finding the Fourth Proportional to 4,670.87, 6,988.79 and 2,907.62

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Solution

The fourth proportional to 4,670.87, 6,988.79 and 2,907.62 is: 4,350.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,670.87 : 6,988.79 = 2,907.62 : x
  2. Step 2: Convert to fraction form
    4,670.87/6,988.79 = 2,907.62/x
  3. Step 3: Cross multiply
    4,670.87x = 6,988.79 × 2,907.62
  4. Step 4: Simplify right side
    4,670.87x = 20,320,703.45
  5. Step 5: Solve for x
    x = 20,320,703.45/4,670.87
  6. Step 6: Final answer
    x = 4,350.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.