Home / 7,381.89-11,070.09-2,997.87

Finding the Fourth Proportional to 7,381.89, 11,070.09 and 2,997.87

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Solution

The fourth proportional to 7,381.89, 11,070.09 and 2,997.87 is: 4,495.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.89 : 11,070.09 = 2,997.87 : x
  2. Step 2: Convert to fraction form
    7,381.89/11,070.09 = 2,997.87/x
  3. Step 3: Cross multiply
    7,381.89x = 11,070.09 × 2,997.87
  4. Step 4: Simplify right side
    7,381.89x = 33,186,635.36
  5. Step 5: Solve for x
    x = 33,186,635.36/7,381.89
  6. Step 6: Final answer
    x = 4,495.69

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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.