Home / 6,325.79-8,730.36-3,809.21

Finding the Fourth Proportional to 6,325.79, 8,730.36 and 3,809.21

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Solution

The fourth proportional to 6,325.79, 8,730.36 and 3,809.21 is: 5,257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,325.79 : 8,730.36 = 3,809.21 : x
  2. Step 2: Convert to fraction form
    6,325.79/8,730.36 = 3,809.21/x
  3. Step 3: Cross multiply
    6,325.79x = 8,730.36 × 3,809.21
  4. Step 4: Simplify right side
    6,325.79x = 33,255,730.96
  5. Step 5: Solve for x
    x = 33,255,730.96/6,325.79
  6. Step 6: Final answer
    x = 5,257.17

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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.