Home / 6,730.81-9,257.61-5,401.60

Finding the Fourth Proportional to 6,730.81, 9,257.61 and 5,401.60

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Solution

The fourth proportional to 6,730.81, 9,257.61 and 5,401.60 is: 7,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,730.81 : 9,257.61 = 5,401.60 : x
  2. Step 2: Convert to fraction form
    6,730.81/9,257.61 = 5,401.60/x
  3. Step 3: Cross multiply
    6,730.81x = 9,257.61 × 5,401.60
  4. Step 4: Simplify right side
    6,730.81x = 50,005,906.18
  5. Step 5: Solve for x
    x = 50,005,906.18/6,730.81
  6. Step 6: Final answer
    x = 7,429.40

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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.