Home / 7,407.18-11,110.91-2,476.85

Finding the Fourth Proportional to 7,407.18, 11,110.91 and 2,476.85

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Solution

The fourth proportional to 7,407.18, 11,110.91 and 2,476.85 is: 3,715.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.18 : 11,110.91 = 2,476.85 : x
  2. Step 2: Convert to fraction form
    7,407.18/11,110.91 = 2,476.85/x
  3. Step 3: Cross multiply
    7,407.18x = 11,110.91 × 2,476.85
  4. Step 4: Simplify right side
    7,407.18x = 27,519,989.49
  5. Step 5: Solve for x
    x = 27,519,989.49/7,407.18
  6. Step 6: Final answer
    x = 3,715.31

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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.