Home / 4,187.28-5,776-2,612.64

Finding the Fourth Proportional to 4,187.28, 5,776 and 2,612.64

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Solution

The fourth proportional to 4,187.28, 5,776 and 2,612.64 is: 3,603.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.28 : 5,776 = 2,612.64 : x
  2. Step 2: Convert to fraction form
    4,187.28/5,776 = 2,612.64/x
  3. Step 3: Cross multiply
    4,187.28x = 5,776 × 2,612.64
  4. Step 4: Simplify right side
    4,187.28x = 15,090,608.64
  5. Step 5: Solve for x
    x = 15,090,608.64/4,187.28
  6. Step 6: Final answer
    x = 3,603.92

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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.