Home / 6,515.26-9,785.95-3,887.89

Finding the Fourth Proportional to 6,515.26, 9,785.95 and 3,887.89

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Solution

The fourth proportional to 6,515.26, 9,785.95 and 3,887.89 is: 5,839.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.26 : 9,785.95 = 3,887.89 : x
  2. Step 2: Convert to fraction form
    6,515.26/9,785.95 = 3,887.89/x
  3. Step 3: Cross multiply
    6,515.26x = 9,785.95 × 3,887.89
  4. Step 4: Simplify right side
    6,515.26x = 38,046,697.15
  5. Step 5: Solve for x
    x = 38,046,697.15/6,515.26
  6. Step 6: Final answer
    x = 5,839.63

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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.