Home / 5,457.80-8,190.93-3,608.30

Finding the Fourth Proportional to 5,457.80, 8,190.93 and 3,608.30

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Solution

The fourth proportional to 5,457.80, 8,190.93 and 3,608.30 is: 5,415.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.80 : 8,190.93 = 3,608.30 : x
  2. Step 2: Convert to fraction form
    5,457.80/8,190.93 = 3,608.30/x
  3. Step 3: Cross multiply
    5,457.80x = 8,190.93 × 3,608.30
  4. Step 4: Simplify right side
    5,457.80x = 29,555,332.72
  5. Step 5: Solve for x
    x = 29,555,332.72/5,457.80
  6. Step 6: Final answer
    x = 5,415.25

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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.