Home / 7,653.73-11,475.45-2,720.65

Finding the Fourth Proportional to 7,653.73, 11,475.45 and 2,720.65

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Solution

The fourth proportional to 7,653.73, 11,475.45 and 2,720.65 is: 4,079.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.73 : 11,475.45 = 2,720.65 : x
  2. Step 2: Convert to fraction form
    7,653.73/11,475.45 = 2,720.65/x
  3. Step 3: Cross multiply
    7,653.73x = 11,475.45 × 2,720.65
  4. Step 4: Simplify right side
    7,653.73x = 31,220,683.04
  5. Step 5: Solve for x
    x = 31,220,683.04/7,653.73
  6. Step 6: Final answer
    x = 4,079.15

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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.