Home / 5,507.70-8,261.78-1,612.11

Finding the Fourth Proportional to 5,507.70, 8,261.78 and 1,612.11

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Solution

The fourth proportional to 5,507.70, 8,261.78 and 1,612.11 is: 2,418.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.70 : 8,261.78 = 1,612.11 : x
  2. Step 2: Convert to fraction form
    5,507.70/8,261.78 = 1,612.11/x
  3. Step 3: Cross multiply
    5,507.70x = 8,261.78 × 1,612.11
  4. Step 4: Simplify right side
    5,507.70x = 13,318,898.16
  5. Step 5: Solve for x
    x = 13,318,898.16/5,507.70
  6. Step 6: Final answer
    x = 2,418.23

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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.