Home / 6,282.40-9,427.20-2,389.60

Finding the Fourth Proportional to 6,282.40, 9,427.20 and 2,389.60

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Solution

The fourth proportional to 6,282.40, 9,427.20 and 2,389.60 is: 3,585.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,282.40 : 9,427.20 = 2,389.60 : x
  2. Step 2: Convert to fraction form
    6,282.40/9,427.20 = 2,389.60/x
  3. Step 3: Cross multiply
    6,282.40x = 9,427.20 × 2,389.60
  4. Step 4: Simplify right side
    6,282.40x = 22,527,237.12
  5. Step 5: Solve for x
    x = 22,527,237.12/6,282.40
  6. Step 6: Final answer
    x = 3,585.77

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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.