Home / 6,327.74-8,730.52-3,638.81

Finding the Fourth Proportional to 6,327.74, 8,730.52 and 3,638.81

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Solution

The fourth proportional to 6,327.74, 8,730.52 and 3,638.81 is: 5,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,327.74 : 8,730.52 = 3,638.81 : x
  2. Step 2: Convert to fraction form
    6,327.74/8,730.52 = 3,638.81/x
  3. Step 3: Cross multiply
    6,327.74x = 8,730.52 × 3,638.81
  4. Step 4: Simplify right side
    6,327.74x = 31,768,703.48
  5. Step 5: Solve for x
    x = 31,768,703.48/6,327.74
  6. Step 6: Final answer
    x = 5,020.55

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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.