Home / 5,457.90-8,190.42-2,994.45

Finding the Fourth Proportional to 5,457.90, 8,190.42 and 2,994.45

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Solution

The fourth proportional to 5,457.90, 8,190.42 and 2,994.45 is: 4,493.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.90 : 8,190.42 = 2,994.45 : x
  2. Step 2: Convert to fraction form
    5,457.90/8,190.42 = 2,994.45/x
  3. Step 3: Cross multiply
    5,457.90x = 8,190.42 × 2,994.45
  4. Step 4: Simplify right side
    5,457.90x = 24,525,803.17
  5. Step 5: Solve for x
    x = 24,525,803.17/5,457.90
  6. Step 6: Final answer
    x = 4,493.63

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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.