Home / 5,457.51-8,185.20-1,758.84

Finding the Fourth Proportional to 5,457.51, 8,185.20 and 1,758.84

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Solution

The fourth proportional to 5,457.51, 8,185.20 and 1,758.84 is: 2,637.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.51 : 8,185.20 = 1,758.84 : x
  2. Step 2: Convert to fraction form
    5,457.51/8,185.20 = 1,758.84/x
  3. Step 3: Cross multiply
    5,457.51x = 8,185.20 × 1,758.84
  4. Step 4: Simplify right side
    5,457.51x = 14,396,457.17
  5. Step 5: Solve for x
    x = 14,396,457.17/5,457.51
  6. Step 6: Final answer
    x = 2,637.92

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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.