Home / 5,638.04-8,457.87-1,742.75

Finding the Fourth Proportional to 5,638.04, 8,457.87 and 1,742.75

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Solution

The fourth proportional to 5,638.04, 8,457.87 and 1,742.75 is: 2,614.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638.04 : 8,457.87 = 1,742.75 : x
  2. Step 2: Convert to fraction form
    5,638.04/8,457.87 = 1,742.75/x
  3. Step 3: Cross multiply
    5,638.04x = 8,457.87 × 1,742.75
  4. Step 4: Simplify right side
    5,638.04x = 14,739,952.94
  5. Step 5: Solve for x
    x = 14,739,952.94/5,638.04
  6. Step 6: Final answer
    x = 2,614.38

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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.