Home / 5,425.65-8,134.74-2,304.90

Finding the Fourth Proportional to 5,425.65, 8,134.74 and 2,304.90

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Solution

The fourth proportional to 5,425.65, 8,134.74 and 2,304.90 is: 3,455.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.65 : 8,134.74 = 2,304.90 : x
  2. Step 2: Convert to fraction form
    5,425.65/8,134.74 = 2,304.90/x
  3. Step 3: Cross multiply
    5,425.65x = 8,134.74 × 2,304.90
  4. Step 4: Simplify right side
    5,425.65x = 18,749,762.23
  5. Step 5: Solve for x
    x = 18,749,762.23/5,425.65
  6. Step 6: Final answer
    x = 3,455.76

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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.