Home / 5,117.40-7,666.06-2,653.85

Finding the Fourth Proportional to 5,117.40, 7,666.06 and 2,653.85

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Solution

The fourth proportional to 5,117.40, 7,666.06 and 2,653.85 is: 3,975.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.40 : 7,666.06 = 2,653.85 : x
  2. Step 2: Convert to fraction form
    5,117.40/7,666.06 = 2,653.85/x
  3. Step 3: Cross multiply
    5,117.40x = 7,666.06 × 2,653.85
  4. Step 4: Simplify right side
    5,117.40x = 20,344,573.33
  5. Step 5: Solve for x
    x = 20,344,573.33/5,117.40
  6. Step 6: Final answer
    x = 3,975.57

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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.