Home / 5,457.83-8,187.26-2,170.17

Finding the Fourth Proportional to 5,457.83, 8,187.26 and 2,170.17

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Solution

The fourth proportional to 5,457.83, 8,187.26 and 2,170.17 is: 3,255.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.83 : 8,187.26 = 2,170.17 : x
  2. Step 2: Convert to fraction form
    5,457.83/8,187.26 = 2,170.17/x
  3. Step 3: Cross multiply
    5,457.83x = 8,187.26 × 2,170.17
  4. Step 4: Simplify right side
    5,457.83x = 17,767,735.18
  5. Step 5: Solve for x
    x = 17,767,735.18/5,457.83
  6. Step 6: Final answer
    x = 3,255.46

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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.