Home / 7,475.61-11,213.30-2,548.68

Finding the Fourth Proportional to 7,475.61, 11,213.30 and 2,548.68

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Solution

The fourth proportional to 7,475.61, 11,213.30 and 2,548.68 is: 3,822.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.61 : 11,213.30 = 2,548.68 : x
  2. Step 2: Convert to fraction form
    7,475.61/11,213.30 = 2,548.68/x
  3. Step 3: Cross multiply
    7,475.61x = 11,213.30 × 2,548.68
  4. Step 4: Simplify right side
    7,475.61x = 28,579,100.70
  5. Step 5: Solve for x
    x = 28,579,100.70/7,475.61
  6. Step 6: Final answer
    x = 3,822.98

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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.