Home / 7,493.72-11,240.58-4,209.88

Finding the Fourth Proportional to 7,493.72, 11,240.58 and 4,209.88

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Solution

The fourth proportional to 7,493.72, 11,240.58 and 4,209.88 is: 6,314.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.72 : 11,240.58 = 4,209.88 : x
  2. Step 2: Convert to fraction form
    7,493.72/11,240.58 = 4,209.88/x
  3. Step 3: Cross multiply
    7,493.72x = 11,240.58 × 4,209.88
  4. Step 4: Simplify right side
    7,493.72x = 47,321,492.93
  5. Step 5: Solve for x
    x = 47,321,492.93/7,493.72
  6. Step 6: Final answer
    x = 6,314.82

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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.