Home / 5,415.10-8,118.60-3,463.54

Finding the Fourth Proportional to 5,415.10, 8,118.60 and 3,463.54

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Solution

The fourth proportional to 5,415.10, 8,118.60 and 3,463.54 is: 5,192.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.10 : 8,118.60 = 3,463.54 : x
  2. Step 2: Convert to fraction form
    5,415.10/8,118.60 = 3,463.54/x
  3. Step 3: Cross multiply
    5,415.10x = 8,118.60 × 3,463.54
  4. Step 4: Simplify right side
    5,415.10x = 28,119,095.84
  5. Step 5: Solve for x
    x = 28,119,095.84/5,415.10
  6. Step 6: Final answer
    x = 5,192.72

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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.