Home / 5,184.76-7,776.30-1,899.40

Finding the Fourth Proportional to 5,184.76, 7,776.30 and 1,899.40

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Solution

The fourth proportional to 5,184.76, 7,776.30 and 1,899.40 is: 2,848.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.76 : 7,776.30 = 1,899.40 : x
  2. Step 2: Convert to fraction form
    5,184.76/7,776.30 = 1,899.40/x
  3. Step 3: Cross multiply
    5,184.76x = 7,776.30 × 1,899.40
  4. Step 4: Simplify right side
    5,184.76x = 14,770,304.22
  5. Step 5: Solve for x
    x = 14,770,304.22/5,184.76
  6. Step 6: Final answer
    x = 2,848.79

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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.