Home / 7,117.72-10,676.58-2,499.64

Finding the Fourth Proportional to 7,117.72, 10,676.58 and 2,499.64

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Solution

The fourth proportional to 7,117.72, 10,676.58 and 2,499.64 is: 3,749.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.72 : 10,676.58 = 2,499.64 : x
  2. Step 2: Convert to fraction form
    7,117.72/10,676.58 = 2,499.64/x
  3. Step 3: Cross multiply
    7,117.72x = 10,676.58 × 2,499.64
  4. Step 4: Simplify right side
    7,117.72x = 26,687,606.43
  5. Step 5: Solve for x
    x = 26,687,606.43/7,117.72
  6. Step 6: Final answer
    x = 3,749.46

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Similar ratio
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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.