Home / 5,445.84-8,162.88-3,902.16

Finding the Fourth Proportional to 5,445.84, 8,162.88 and 3,902.16

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Solution

The fourth proportional to 5,445.84, 8,162.88 and 3,902.16 is: 5,849.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.84 : 8,162.88 = 3,902.16 : x
  2. Step 2: Convert to fraction form
    5,445.84/8,162.88 = 3,902.16/x
  3. Step 3: Cross multiply
    5,445.84x = 8,162.88 × 3,902.16
  4. Step 4: Simplify right side
    5,445.84x = 31,852,863.82
  5. Step 5: Solve for x
    x = 31,852,863.82/5,445.84
  6. Step 6: Final answer
    x = 5,849.03

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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.