Home / 4,605.12-6,907.68-1,142.37

Finding the Fourth Proportional to 4,605.12, 6,907.68 and 1,142.37

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Solution

The fourth proportional to 4,605.12, 6,907.68 and 1,142.37 is: 1,713.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,605.12 : 6,907.68 = 1,142.37 : x
  2. Step 2: Convert to fraction form
    4,605.12/6,907.68 = 1,142.37/x
  3. Step 3: Cross multiply
    4,605.12x = 6,907.68 × 1,142.37
  4. Step 4: Simplify right side
    4,605.12x = 7,891,126.40
  5. Step 5: Solve for x
    x = 7,891,126.40/4,605.12
  6. Step 6: Final answer
    x = 1,713.56

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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.