Home / 4,230.38-6,345.54-1,308.72

Finding the Fourth Proportional to 4,230.38, 6,345.54 and 1,308.72

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Solution

The fourth proportional to 4,230.38, 6,345.54 and 1,308.72 is: 1,963.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.38 : 6,345.54 = 1,308.72 : x
  2. Step 2: Convert to fraction form
    4,230.38/6,345.54 = 1,308.72/x
  3. Step 3: Cross multiply
    4,230.38x = 6,345.54 × 1,308.72
  4. Step 4: Simplify right side
    4,230.38x = 8,304,535.11
  5. Step 5: Solve for x
    x = 8,304,535.11/4,230.38
  6. Step 6: Final answer
    x = 1,963.07

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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.