Home / 7,935.12-11,902.80-2,741.04

Finding the Fourth Proportional to 7,935.12, 11,902.80 and 2,741.04

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Solution

The fourth proportional to 7,935.12, 11,902.80 and 2,741.04 is: 4,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.12 : 11,902.80 = 2,741.04 : x
  2. Step 2: Convert to fraction form
    7,935.12/11,902.80 = 2,741.04/x
  3. Step 3: Cross multiply
    7,935.12x = 11,902.80 × 2,741.04
  4. Step 4: Simplify right side
    7,935.12x = 32,626,050.91
  5. Step 5: Solve for x
    x = 32,626,050.91/7,935.12
  6. Step 6: Final answer
    x = 4,111.60

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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.