Home / 6,165.47-8,514.56-3,928.35

Finding the Fourth Proportional to 6,165.47, 8,514.56 and 3,928.35

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Solution

The fourth proportional to 6,165.47, 8,514.56 and 3,928.35 is: 5,425.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,165.47 : 8,514.56 = 3,928.35 : x
  2. Step 2: Convert to fraction form
    6,165.47/8,514.56 = 3,928.35/x
  3. Step 3: Cross multiply
    6,165.47x = 8,514.56 × 3,928.35
  4. Step 4: Simplify right side
    6,165.47x = 33,448,152.13
  5. Step 5: Solve for x
    x = 33,448,152.13/6,165.47
  6. Step 6: Final answer
    x = 5,425.08

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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.