Home / 7,406.10-11,110.23-2,728.35

Finding the Fourth Proportional to 7,406.10, 11,110.23 and 2,728.35

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Solution

The fourth proportional to 7,406.10, 11,110.23 and 2,728.35 is: 4,092.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.10 : 11,110.23 = 2,728.35 : x
  2. Step 2: Convert to fraction form
    7,406.10/11,110.23 = 2,728.35/x
  3. Step 3: Cross multiply
    7,406.10x = 11,110.23 × 2,728.35
  4. Step 4: Simplify right side
    7,406.10x = 30,312,596.02
  5. Step 5: Solve for x
    x = 30,312,596.02/7,406.10
  6. Step 6: Final answer
    x = 4,092.92

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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.