Home / 4,561.08-6,848.78-2,720.40

Finding the Fourth Proportional to 4,561.08, 6,848.78 and 2,720.40

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Solution

The fourth proportional to 4,561.08, 6,848.78 and 2,720.40 is: 4,084.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,561.08 : 6,848.78 = 2,720.40 : x
  2. Step 2: Convert to fraction form
    4,561.08/6,848.78 = 2,720.40/x
  3. Step 3: Cross multiply
    4,561.08x = 6,848.78 × 2,720.40
  4. Step 4: Simplify right side
    4,561.08x = 18,631,434.83
  5. Step 5: Solve for x
    x = 18,631,434.83/4,561.08
  6. Step 6: Final answer
    x = 4,084.88

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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.