Home / 5,457.31-8,185.95-1,760.08

Finding the Fourth Proportional to 5,457.31, 8,185.95 and 1,760.08

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Solution

The fourth proportional to 5,457.31, 8,185.95 and 1,760.08 is: 2,640.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.31 : 8,185.95 = 1,760.08 : x
  2. Step 2: Convert to fraction form
    5,457.31/8,185.95 = 1,760.08/x
  3. Step 3: Cross multiply
    5,457.31x = 8,185.95 × 1,760.08
  4. Step 4: Simplify right side
    5,457.31x = 14,407,926.88
  5. Step 5: Solve for x
    x = 14,407,926.88/5,457.31
  6. Step 6: Final answer
    x = 2,640.12

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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.