Home / 4,712.80-6,502.96-2,616.64

Finding the Fourth Proportional to 4,712.80, 6,502.96 and 2,616.64

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Solution

The fourth proportional to 4,712.80, 6,502.96 and 2,616.64 is: 3,610.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.80 : 6,502.96 = 2,616.64 : x
  2. Step 2: Convert to fraction form
    4,712.80/6,502.96 = 2,616.64/x
  3. Step 3: Cross multiply
    4,712.80x = 6,502.96 × 2,616.64
  4. Step 4: Simplify right side
    4,712.80x = 17,015,905.25
  5. Step 5: Solve for x
    x = 17,015,905.25/4,712.80
  6. Step 6: Final answer
    x = 3,610.57

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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.