Home / 6,518.26-9,772.53-3,920.59

Finding the Fourth Proportional to 6,518.26, 9,772.53 and 3,920.59

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Solution

The fourth proportional to 6,518.26, 9,772.53 and 3,920.59 is: 5,877.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.26 : 9,772.53 = 3,920.59 : x
  2. Step 2: Convert to fraction form
    6,518.26/9,772.53 = 3,920.59/x
  3. Step 3: Cross multiply
    6,518.26x = 9,772.53 × 3,920.59
  4. Step 4: Simplify right side
    6,518.26x = 38,314,083.39
  5. Step 5: Solve for x
    x = 38,314,083.39/6,518.26
  6. Step 6: Final answer
    x = 5,877.96

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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.