Home / 4,230.16-6,345.56-1,308.76

Finding the Fourth Proportional to 4,230.16, 6,345.56 and 1,308.76

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Solution

The fourth proportional to 4,230.16, 6,345.56 and 1,308.76 is: 1,963.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.16 : 6,345.56 = 1,308.76 : x
  2. Step 2: Convert to fraction form
    4,230.16/6,345.56 = 1,308.76/x
  3. Step 3: Cross multiply
    4,230.16x = 6,345.56 × 1,308.76
  4. Step 4: Simplify right side
    4,230.16x = 8,304,815.11
  5. Step 5: Solve for x
    x = 8,304,815.11/4,230.16
  6. Step 6: Final answer
    x = 1,963.24

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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.