Home / 6,887.41-9,505.19-3,903.99

Finding the Fourth Proportional to 6,887.41, 9,505.19 and 3,903.99

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Solution

The fourth proportional to 6,887.41, 9,505.19 and 3,903.99 is: 5,387.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.41 : 9,505.19 = 3,903.99 : x
  2. Step 2: Convert to fraction form
    6,887.41/9,505.19 = 3,903.99/x
  3. Step 3: Cross multiply
    6,887.41x = 9,505.19 × 3,903.99
  4. Step 4: Simplify right side
    6,887.41x = 37,108,166.71
  5. Step 5: Solve for x
    x = 37,108,166.71/6,887.41
  6. Step 6: Final answer
    x = 5,387.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.