Home / 7,385.80-11,076.30-2,454.60

Finding the Fourth Proportional to 7,385.80, 11,076.30 and 2,454.60

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Solution

The fourth proportional to 7,385.80, 11,076.30 and 2,454.60 is: 3,681.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.80 : 11,076.30 = 2,454.60 : x
  2. Step 2: Convert to fraction form
    7,385.80/11,076.30 = 2,454.60/x
  3. Step 3: Cross multiply
    7,385.80x = 11,076.30 × 2,454.60
  4. Step 4: Simplify right side
    7,385.80x = 27,187,885.98
  5. Step 5: Solve for x
    x = 27,187,885.98/7,385.80
  6. Step 6: Final answer
    x = 3,681.10

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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.