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Finding the Fourth Proportional to 6,480.36, 8,945.76 and 4,725.36

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Solution

The fourth proportional to 6,480.36, 8,945.76 and 4,725.36 is: 6,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.36 : 8,945.76 = 4,725.36 : x
  2. Step 2: Convert to fraction form
    6,480.36/8,945.76 = 4,725.36/x
  3. Step 3: Cross multiply
    6,480.36x = 8,945.76 × 4,725.36
  4. Step 4: Simplify right side
    6,480.36x = 42,271,936.47
  5. Step 5: Solve for x
    x = 42,271,936.47/6,480.36
  6. Step 6: Final answer
    x = 6,523.08

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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.