Home / 4,308.96-6,463.02-1,389.36

Finding the Fourth Proportional to 4,308.96, 6,463.02 and 1,389.36

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Solution

The fourth proportional to 4,308.96, 6,463.02 and 1,389.36 is: 2,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.96 : 6,463.02 = 1,389.36 : x
  2. Step 2: Convert to fraction form
    4,308.96/6,463.02 = 1,389.36/x
  3. Step 3: Cross multiply
    4,308.96x = 6,463.02 × 1,389.36
  4. Step 4: Simplify right side
    4,308.96x = 8,979,461.47
  5. Step 5: Solve for x
    x = 8,979,461.47/4,308.96
  6. Step 6: Final answer
    x = 2,083.90

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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.