Home / 9,190.65-12,677.12-5,410.64

Finding the Fourth Proportional to 9,190.65, 12,677.12 and 5,410.64

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Solution

The fourth proportional to 9,190.65, 12,677.12 and 5,410.64 is: 7,463.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.65 : 12,677.12 = 5,410.64 : x
  2. Step 2: Convert to fraction form
    9,190.65/12,677.12 = 5,410.64/x
  3. Step 3: Cross multiply
    9,190.65x = 12,677.12 × 5,410.64
  4. Step 4: Simplify right side
    9,190.65x = 68,591,242.12
  5. Step 5: Solve for x
    x = 68,591,242.12/9,190.65
  6. Step 6: Final answer
    x = 7,463.15

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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.