Home / 9,817.20-14,727.60-3,974.40

Finding the Fourth Proportional to 9,817.20, 14,727.60 and 3,974.40

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Solution

The fourth proportional to 9,817.20, 14,727.60 and 3,974.40 is: 5,962.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,817.20 : 14,727.60 = 3,974.40 : x
  2. Step 2: Convert to fraction form
    9,817.20/14,727.60 = 3,974.40/x
  3. Step 3: Cross multiply
    9,817.20x = 14,727.60 × 3,974.40
  4. Step 4: Simplify right side
    9,817.20x = 58,533,373.44
  5. Step 5: Solve for x
    x = 58,533,373.44/9,817.20
  6. Step 6: Final answer
    x = 5,962.33

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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.