Home / 6,403.11-8,836.47-3,750.63

Finding the Fourth Proportional to 6,403.11, 8,836.47 and 3,750.63

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Solution

The fourth proportional to 6,403.11, 8,836.47 and 3,750.63 is: 5,175.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.11 : 8,836.47 = 3,750.63 : x
  2. Step 2: Convert to fraction form
    6,403.11/8,836.47 = 3,750.63/x
  3. Step 3: Cross multiply
    6,403.11x = 8,836.47 × 3,750.63
  4. Step 4: Simplify right side
    6,403.11x = 33,142,329.48
  5. Step 5: Solve for x
    x = 33,142,329.48/6,403.11
  6. Step 6: Final answer
    x = 5,175.97

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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.