Home / 5,457.93-8,184.47-1,992.75

Finding the Fourth Proportional to 5,457.93, 8,184.47 and 1,992.75

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Solution

The fourth proportional to 5,457.93, 8,184.47 and 1,992.75 is: 2,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.93 : 8,184.47 = 1,992.75 : x
  2. Step 2: Convert to fraction form
    5,457.93/8,184.47 = 1,992.75/x
  3. Step 3: Cross multiply
    5,457.93x = 8,184.47 × 1,992.75
  4. Step 4: Simplify right side
    5,457.93x = 16,309,592.63
  5. Step 5: Solve for x
    x = 16,309,592.63/5,457.93
  6. Step 6: Final answer
    x = 2,988.24

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Double scale
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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.