Home / 9,137.20-12,609.02-5,104.24

Finding the Fourth Proportional to 9,137.20, 12,609.02 and 5,104.24

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Solution

The fourth proportional to 9,137.20, 12,609.02 and 5,104.24 is: 7,043.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.20 : 12,609.02 = 5,104.24 : x
  2. Step 2: Convert to fraction form
    9,137.20/12,609.02 = 5,104.24/x
  3. Step 3: Cross multiply
    9,137.20x = 12,609.02 × 5,104.24
  4. Step 4: Simplify right side
    9,137.20x = 64,359,464.24
  5. Step 5: Solve for x
    x = 64,359,464.24/9,137.20
  6. Step 6: Final answer
    x = 7,043.67

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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.