Home / 7,698.12-11,548.32-2,502.72

Finding the Fourth Proportional to 7,698.12, 11,548.32 and 2,502.72

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Solution

The fourth proportional to 7,698.12, 11,548.32 and 2,502.72 is: 3,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,698.12 : 11,548.32 = 2,502.72 : x
  2. Step 2: Convert to fraction form
    7,698.12/11,548.32 = 2,502.72/x
  3. Step 3: Cross multiply
    7,698.12x = 11,548.32 × 2,502.72
  4. Step 4: Simplify right side
    7,698.12x = 28,902,211.43
  5. Step 5: Solve for x
    x = 28,902,211.43/7,698.12
  6. Step 6: Final answer
    x = 3,754.45

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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.