Home / 6,513.62-9,758.66-5,480.06

Finding the Fourth Proportional to 6,513.62, 9,758.66 and 5,480.06

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Solution

The fourth proportional to 6,513.62, 9,758.66 and 5,480.06 is: 8,210.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.62 : 9,758.66 = 5,480.06 : x
  2. Step 2: Convert to fraction form
    6,513.62/9,758.66 = 5,480.06/x
  3. Step 3: Cross multiply
    6,513.62x = 9,758.66 × 5,480.06
  4. Step 4: Simplify right side
    6,513.62x = 53,478,042.32
  5. Step 5: Solve for x
    x = 53,478,042.32/6,513.62
  6. Step 6: Final answer
    x = 8,210.19

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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.