Home / 4,822.40-7,230.36-1,899.20

Finding the Fourth Proportional to 4,822.40, 7,230.36 and 1,899.20

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Solution

The fourth proportional to 4,822.40, 7,230.36 and 1,899.20 is: 2,847.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822.40 : 7,230.36 = 1,899.20 : x
  2. Step 2: Convert to fraction form
    4,822.40/7,230.36 = 1,899.20/x
  3. Step 3: Cross multiply
    4,822.40x = 7,230.36 × 1,899.20
  4. Step 4: Simplify right side
    4,822.40x = 13,731,899.71
  5. Step 5: Solve for x
    x = 13,731,899.71/4,822.40
  6. Step 6: Final answer
    x = 2,847.52

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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.