Home / 6,433.06-8,875.29-3,778.51

Finding the Fourth Proportional to 6,433.06, 8,875.29 and 3,778.51

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Solution

The fourth proportional to 6,433.06, 8,875.29 and 3,778.51 is: 5,212.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,433.06 : 8,875.29 = 3,778.51 : x
  2. Step 2: Convert to fraction form
    6,433.06/8,875.29 = 3,778.51/x
  3. Step 3: Cross multiply
    6,433.06x = 8,875.29 × 3,778.51
  4. Step 4: Simplify right side
    6,433.06x = 33,535,372.02
  5. Step 5: Solve for x
    x = 33,535,372.02/6,433.06
  6. Step 6: Final answer
    x = 5,212.97

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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.