Home / 6,513.03-8,979.53-4,151.07

Finding the Fourth Proportional to 6,513.03, 8,979.53 and 4,151.07

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Solution

The fourth proportional to 6,513.03, 8,979.53 and 4,151.07 is: 5,723.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.03 : 8,979.53 = 4,151.07 : x
  2. Step 2: Convert to fraction form
    6,513.03/8,979.53 = 4,151.07/x
  3. Step 3: Cross multiply
    6,513.03x = 8,979.53 × 4,151.07
  4. Step 4: Simplify right side
    6,513.03x = 37,274,636.84
  5. Step 5: Solve for x
    x = 37,274,636.84/6,513.03
  6. Step 6: Final answer
    x = 5,723.09

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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.