Home / 5,004.55-7,507.16-1,306.90

Finding the Fourth Proportional to 5,004.55, 7,507.16 and 1,306.90

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Solution

The fourth proportional to 5,004.55, 7,507.16 and 1,306.90 is: 1,960.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,004.55 : 7,507.16 = 1,306.90 : x
  2. Step 2: Convert to fraction form
    5,004.55/7,507.16 = 1,306.90/x
  3. Step 3: Cross multiply
    5,004.55x = 7,507.16 × 1,306.90
  4. Step 4: Simplify right side
    5,004.55x = 9,811,063.33
  5. Step 5: Solve for x
    x = 9,811,063.33/5,004.55
  6. Step 6: Final answer
    x = 1,960.43

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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.