Home / 5,615.08-7,748.87-3,097.30

Finding the Fourth Proportional to 5,615.08, 7,748.87 and 3,097.30

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Solution

The fourth proportional to 5,615.08, 7,748.87 and 3,097.30 is: 4,274.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.08 : 7,748.87 = 3,097.30 : x
  2. Step 2: Convert to fraction form
    5,615.08/7,748.87 = 3,097.30/x
  3. Step 3: Cross multiply
    5,615.08x = 7,748.87 × 3,097.30
  4. Step 4: Simplify right side
    5,615.08x = 24,000,575.05
  5. Step 5: Solve for x
    x = 24,000,575.05/5,615.08
  6. Step 6: Final answer
    x = 4,274.31

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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.