Home / 9,880.73-14,820.92-2,485.20

Finding the Fourth Proportional to 9,880.73, 14,820.92 and 2,485.20

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Solution

The fourth proportional to 9,880.73, 14,820.92 and 2,485.20 is: 3,727.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.73 : 14,820.92 = 2,485.20 : x
  2. Step 2: Convert to fraction form
    9,880.73/14,820.92 = 2,485.20/x
  3. Step 3: Cross multiply
    9,880.73x = 14,820.92 × 2,485.20
  4. Step 4: Simplify right side
    9,880.73x = 36,832,933.47
  5. Step 5: Solve for x
    x = 36,832,933.47/9,880.73
  6. Step 6: Final answer
    x = 3,727.75

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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.