Home / 6,605.55-9,911.54-2,907.31

Finding the Fourth Proportional to 6,605.55, 9,911.54 and 2,907.31

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Solution

The fourth proportional to 6,605.55, 9,911.54 and 2,907.31 is: 4,362.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.55 : 9,911.54 = 2,907.31 : x
  2. Step 2: Convert to fraction form
    6,605.55/9,911.54 = 2,907.31/x
  3. Step 3: Cross multiply
    6,605.55x = 9,911.54 × 2,907.31
  4. Step 4: Simplify right side
    6,605.55x = 28,815,919.36
  5. Step 5: Solve for x
    x = 28,815,919.36/6,605.55
  6. Step 6: Final answer
    x = 4,362.38

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1.5x scale

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.