Home / 7,091.25-10,618.30-4,999.94

Finding the Fourth Proportional to 7,091.25, 10,618.30 and 4,999.94

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Solution

The fourth proportional to 7,091.25, 10,618.30 and 4,999.94 is: 7,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.25 : 10,618.30 = 4,999.94 : x
  2. Step 2: Convert to fraction form
    7,091.25/10,618.30 = 4,999.94/x
  3. Step 3: Cross multiply
    7,091.25x = 10,618.30 × 4,999.94
  4. Step 4: Simplify right side
    7,091.25x = 53,090,784.81
  5. Step 5: Solve for x
    x = 53,090,784.81/7,091.25
  6. Step 6: Final answer
    x = 7,486.80

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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.