Home / 6,434.24-8,880.03-3,781.89

Finding the Fourth Proportional to 6,434.24, 8,880.03 and 3,781.89

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Solution

The fourth proportional to 6,434.24, 8,880.03 and 3,781.89 is: 5,219.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434.24 : 8,880.03 = 3,781.89 : x
  2. Step 2: Convert to fraction form
    6,434.24/8,880.03 = 3,781.89/x
  3. Step 3: Cross multiply
    6,434.24x = 8,880.03 × 3,781.89
  4. Step 4: Simplify right side
    6,434.24x = 33,583,296.66
  5. Step 5: Solve for x
    x = 33,583,296.66/6,434.24
  6. Step 6: Final answer
    x = 5,219.47

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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.