Home / 5,615.30-7,748.74-3,097.44

Finding the Fourth Proportional to 5,615.30, 7,748.74 and 3,097.44

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Solution

The fourth proportional to 5,615.30, 7,748.74 and 3,097.44 is: 4,274.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.30 : 7,748.74 = 3,097.44 : x
  2. Step 2: Convert to fraction form
    5,615.30/7,748.74 = 3,097.44/x
  3. Step 3: Cross multiply
    5,615.30x = 7,748.74 × 3,097.44
  4. Step 4: Simplify right side
    5,615.30x = 24,001,257.23
  5. Step 5: Solve for x
    x = 24,001,257.23/5,615.30
  6. Step 6: Final answer
    x = 4,274.26

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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.