Home / 5,241.28-7,225.47-3,748.63

Finding the Fourth Proportional to 5,241.28, 7,225.47 and 3,748.63

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Solution

The fourth proportional to 5,241.28, 7,225.47 and 3,748.63 is: 5,167.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.28 : 7,225.47 = 3,748.63 : x
  2. Step 2: Convert to fraction form
    5,241.28/7,225.47 = 3,748.63/x
  3. Step 3: Cross multiply
    5,241.28x = 7,225.47 × 3,748.63
  4. Step 4: Simplify right side
    5,241.28x = 27,085,613.61
  5. Step 5: Solve for x
    x = 27,085,613.61/5,241.28
  6. Step 6: Final answer
    x = 5,167.75

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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.