Home / 6,386.86-9,560.49-3,457.90

Finding the Fourth Proportional to 6,386.86, 9,560.49 and 3,457.90

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Solution

The fourth proportional to 6,386.86, 9,560.49 and 3,457.90 is: 5,176.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.86 : 9,560.49 = 3,457.90 : x
  2. Step 2: Convert to fraction form
    6,386.86/9,560.49 = 3,457.90/x
  3. Step 3: Cross multiply
    6,386.86x = 9,560.49 × 3,457.90
  4. Step 4: Simplify right side
    6,386.86x = 33,059,218.37
  5. Step 5: Solve for x
    x = 33,059,218.37/6,386.86
  6. Step 6: Final answer
    x = 5,176.13

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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.