Home / 7,485.15-11,230.04-2,554.79

Finding the Fourth Proportional to 7,485.15, 11,230.04 and 2,554.79

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Solution

The fourth proportional to 7,485.15, 11,230.04 and 2,554.79 is: 3,832.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.15 : 11,230.04 = 2,554.79 : x
  2. Step 2: Convert to fraction form
    7,485.15/11,230.04 = 2,554.79/x
  3. Step 3: Cross multiply
    7,485.15x = 11,230.04 × 2,554.79
  4. Step 4: Simplify right side
    7,485.15x = 28,690,393.89
  5. Step 5: Solve for x
    x = 28,690,393.89/7,485.15
  6. Step 6: Final answer
    x = 3,832.98

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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.