Home / 4,175.81-6,261.77-2,421.32

Finding the Fourth Proportional to 4,175.81, 6,261.77 and 2,421.32

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Solution

The fourth proportional to 4,175.81, 6,261.77 and 2,421.32 is: 3,630.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,175.81 : 6,261.77 = 2,421.32 : x
  2. Step 2: Convert to fraction form
    4,175.81/6,261.77 = 2,421.32/x
  3. Step 3: Cross multiply
    4,175.81x = 6,261.77 × 2,421.32
  4. Step 4: Simplify right side
    4,175.81x = 15,161,710.06
  5. Step 5: Solve for x
    x = 15,161,710.06/4,175.81
  6. Step 6: Final answer
    x = 3,630.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.