Home / 5,110.86-7,666.29-2,187.27

Finding the Fourth Proportional to 5,110.86, 7,666.29 and 2,187.27

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Solution

The fourth proportional to 5,110.86, 7,666.29 and 2,187.27 is: 3,280.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.86 : 7,666.29 = 2,187.27 : x
  2. Step 2: Convert to fraction form
    5,110.86/7,666.29 = 2,187.27/x
  3. Step 3: Cross multiply
    5,110.86x = 7,666.29 × 2,187.27
  4. Step 4: Simplify right side
    5,110.86x = 16,768,246.13
  5. Step 5: Solve for x
    x = 16,768,246.13/5,110.86
  6. Step 6: Final answer
    x = 3,280.91

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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.