Home / 4,631.48-6,389.64-2,860.02

Finding the Fourth Proportional to 4,631.48, 6,389.64 and 2,860.02

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Solution

The fourth proportional to 4,631.48, 6,389.64 and 2,860.02 is: 3,945.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.48 : 6,389.64 = 2,860.02 : x
  2. Step 2: Convert to fraction form
    4,631.48/6,389.64 = 2,860.02/x
  3. Step 3: Cross multiply
    4,631.48x = 6,389.64 × 2,860.02
  4. Step 4: Simplify right side
    4,631.48x = 18,274,498.19
  5. Step 5: Solve for x
    x = 18,274,498.19/4,631.48
  6. Step 6: Final answer
    x = 3,945.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.