Home / 5,457.24-8,186.58-1,993.32

Finding the Fourth Proportional to 5,457.24, 8,186.58 and 1,993.32

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Solution

The fourth proportional to 5,457.24, 8,186.58 and 1,993.32 is: 2,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.24 : 8,186.58 = 1,993.32 : x
  2. Step 2: Convert to fraction form
    5,457.24/8,186.58 = 1,993.32/x
  3. Step 3: Cross multiply
    5,457.24x = 8,186.58 × 1,993.32
  4. Step 4: Simplify right side
    5,457.24x = 16,318,473.65
  5. Step 5: Solve for x
    x = 16,318,473.65/5,457.24
  6. Step 6: Final answer
    x = 2,990.24

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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.