Home / 5,617.57-8,426.34-1,457.23

Finding the Fourth Proportional to 5,617.57, 8,426.34 and 1,457.23

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Solution

The fourth proportional to 5,617.57, 8,426.34 and 1,457.23 is: 2,185.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.57 : 8,426.34 = 1,457.23 : x
  2. Step 2: Convert to fraction form
    5,617.57/8,426.34 = 1,457.23/x
  3. Step 3: Cross multiply
    5,617.57x = 8,426.34 × 1,457.23
  4. Step 4: Simplify right side
    5,617.57x = 12,279,115.44
  5. Step 5: Solve for x
    x = 12,279,115.44/5,617.57
  6. Step 6: Final answer
    x = 2,185.84

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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.