Home / 5,457.20-8,166.36-4,368.56

Finding the Fourth Proportional to 5,457.20, 8,166.36 and 4,368.56

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Solution

The fourth proportional to 5,457.20, 8,166.36 and 4,368.56 is: 6,537.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.20 : 8,166.36 = 4,368.56 : x
  2. Step 2: Convert to fraction form
    5,457.20/8,166.36 = 4,368.56/x
  3. Step 3: Cross multiply
    5,457.20x = 8,166.36 × 4,368.56
  4. Step 4: Simplify right side
    5,457.20x = 35,675,233.64
  5. Step 5: Solve for x
    x = 35,675,233.64/5,457.20
  6. Step 6: Final answer
    x = 6,537.28

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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.