Home / 4,475.78-6,176.62-2,486.55

Finding the Fourth Proportional to 4,475.78, 6,176.62 and 2,486.55

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Solution

The fourth proportional to 4,475.78, 6,176.62 and 2,486.55 is: 3,431.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,475.78 : 6,176.62 = 2,486.55 : x
  2. Step 2: Convert to fraction form
    4,475.78/6,176.62 = 2,486.55/x
  3. Step 3: Cross multiply
    4,475.78x = 6,176.62 × 2,486.55
  4. Step 4: Simplify right side
    4,475.78x = 15,358,474.46
  5. Step 5: Solve for x
    x = 15,358,474.46/4,475.78
  6. Step 6: Final answer
    x = 3,431.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.