Home / 5,416.59-7,475.90-3,425.79

Finding the Fourth Proportional to 5,416.59, 7,475.90 and 3,425.79

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Solution

The fourth proportional to 5,416.59, 7,475.90 and 3,425.79 is: 4,728.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.59 : 7,475.90 = 3,425.79 : x
  2. Step 2: Convert to fraction form
    5,416.59/7,475.90 = 3,425.79/x
  3. Step 3: Cross multiply
    5,416.59x = 7,475.90 × 3,425.79
  4. Step 4: Simplify right side
    5,416.59x = 25,610,846.33
  5. Step 5: Solve for x
    x = 25,610,846.33/5,416.59
  6. Step 6: Final answer
    x = 4,728.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.