Home / 6,514.05-8,989.77-3,681.35

Finding the Fourth Proportional to 6,514.05, 8,989.77 and 3,681.35

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Solution

The fourth proportional to 6,514.05, 8,989.77 and 3,681.35 is: 5,080.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.05 : 8,989.77 = 3,681.35 : x
  2. Step 2: Convert to fraction form
    6,514.05/8,989.77 = 3,681.35/x
  3. Step 3: Cross multiply
    6,514.05x = 8,989.77 × 3,681.35
  4. Step 4: Simplify right side
    6,514.05x = 33,094,471.38
  5. Step 5: Solve for x
    x = 33,094,471.38/6,514.05
  6. Step 6: Final answer
    x = 5,080.48

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Half scale
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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.