Home / 7,490.98-11,238.46-2,560.61

Finding the Fourth Proportional to 7,490.98, 11,238.46 and 2,560.61

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Solution

The fourth proportional to 7,490.98, 11,238.46 and 2,560.61 is: 3,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.98 : 11,238.46 = 2,560.61 : x
  2. Step 2: Convert to fraction form
    7,490.98/11,238.46 = 2,560.61/x
  3. Step 3: Cross multiply
    7,490.98x = 11,238.46 × 2,560.61
  4. Step 4: Simplify right side
    7,490.98x = 28,777,334.76
  5. Step 5: Solve for x
    x = 28,777,334.76/7,490.98
  6. Step 6: Final answer
    x = 3,841.60

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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.