Home / 5,457.21-8,185.87-4,368.49

Finding the Fourth Proportional to 5,457.21, 8,185.87 and 4,368.49

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Solution

The fourth proportional to 5,457.21, 8,185.87 and 4,368.49 is: 6,552.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.21 : 8,185.87 = 4,368.49 : x
  2. Step 2: Convert to fraction form
    5,457.21/8,185.87 = 4,368.49/x
  3. Step 3: Cross multiply
    5,457.21x = 8,185.87 × 4,368.49
  4. Step 4: Simplify right side
    5,457.21x = 35,759,900.78
  5. Step 5: Solve for x
    x = 35,759,900.78/5,457.21
  6. Step 6: Final answer
    x = 6,552.78

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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.