Home / 4,310.76-6,465.08-1,389.08

Finding the Fourth Proportional to 4,310.76, 6,465.08 and 1,389.08

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Solution

The fourth proportional to 4,310.76, 6,465.08 and 1,389.08 is: 2,083.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310.76 : 6,465.08 = 1,389.08 : x
  2. Step 2: Convert to fraction form
    4,310.76/6,465.08 = 1,389.08/x
  3. Step 3: Cross multiply
    4,310.76x = 6,465.08 × 1,389.08
  4. Step 4: Simplify right side
    4,310.76x = 8,980,513.33
  5. Step 5: Solve for x
    x = 8,980,513.33/4,310.76
  6. Step 6: Final answer
    x = 2,083.28

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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.