Home / 4,823.10-7,231.77-1,899.90

Finding the Fourth Proportional to 4,823.10, 7,231.77 and 1,899.90

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Solution

The fourth proportional to 4,823.10, 7,231.77 and 1,899.90 is: 2,848.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,823.10 : 7,231.77 = 1,899.90 : x
  2. Step 2: Convert to fraction form
    4,823.10/7,231.77 = 1,899.90/x
  3. Step 3: Cross multiply
    4,823.10x = 7,231.77 × 1,899.90
  4. Step 4: Simplify right side
    4,823.10x = 13,739,639.82
  5. Step 5: Solve for x
    x = 13,739,639.82/4,823.10
  6. Step 6: Final answer
    x = 2,848.72

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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.