Home / 8,187.89-11,302.54-5,543.13

Finding the Fourth Proportional to 8,187.89, 11,302.54 and 5,543.13

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Solution

The fourth proportional to 8,187.89, 11,302.54 and 5,543.13 is: 7,651.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.89 : 11,302.54 = 5,543.13 : x
  2. Step 2: Convert to fraction form
    8,187.89/11,302.54 = 5,543.13/x
  3. Step 3: Cross multiply
    8,187.89x = 11,302.54 × 5,543.13
  4. Step 4: Simplify right side
    8,187.89x = 62,651,477.08
  5. Step 5: Solve for x
    x = 62,651,477.08/8,187.89
  6. Step 6: Final answer
    x = 7,651.73

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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.