Home / 6,270.74-9,405.35-3,639.68

Finding the Fourth Proportional to 6,270.74, 9,405.35 and 3,639.68

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Solution

The fourth proportional to 6,270.74, 9,405.35 and 3,639.68 is: 5,459.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.74 : 9,405.35 = 3,639.68 : x
  2. Step 2: Convert to fraction form
    6,270.74/9,405.35 = 3,639.68/x
  3. Step 3: Cross multiply
    6,270.74x = 9,405.35 × 3,639.68
  4. Step 4: Simplify right side
    6,270.74x = 34,232,451.97
  5. Step 5: Solve for x
    x = 34,232,451.97/6,270.74
  6. Step 6: Final answer
    x = 5,459.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.