Home / 4,575.21-6,313.91-2,807.79

Finding the Fourth Proportional to 4,575.21, 6,313.91 and 2,807.79

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Solution

The fourth proportional to 4,575.21, 6,313.91 and 2,807.79 is: 3,874.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,575.21 : 6,313.91 = 2,807.79 : x
  2. Step 2: Convert to fraction form
    4,575.21/6,313.91 = 2,807.79/x
  3. Step 3: Cross multiply
    4,575.21x = 6,313.91 × 2,807.79
  4. Step 4: Simplify right side
    4,575.21x = 17,728,119.32
  5. Step 5: Solve for x
    x = 17,728,119.32/4,575.21
  6. Step 6: Final answer
    x = 3,874.82

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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.