Home / 4,286.78-6,423.53-2,973.10

Finding the Fourth Proportional to 4,286.78, 6,423.53 and 2,973.10

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Solution

The fourth proportional to 4,286.78, 6,423.53 and 2,973.10 is: 4,455.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.78 : 6,423.53 = 2,973.10 : x
  2. Step 2: Convert to fraction form
    4,286.78/6,423.53 = 2,973.10/x
  3. Step 3: Cross multiply
    4,286.78x = 6,423.53 × 2,973.10
  4. Step 4: Simplify right side
    4,286.78x = 19,097,766.12
  5. Step 5: Solve for x
    x = 19,097,766.12/4,286.78
  6. Step 6: Final answer
    x = 4,455.04

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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.