Home / 4,807.44-7,215.21-1,887.80

Finding the Fourth Proportional to 4,807.44, 7,215.21 and 1,887.80

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Solution

The fourth proportional to 4,807.44, 7,215.21 and 1,887.80 is: 2,833.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.44 : 7,215.21 = 1,887.80 : x
  2. Step 2: Convert to fraction form
    4,807.44/7,215.21 = 1,887.80/x
  3. Step 3: Cross multiply
    4,807.44x = 7,215.21 × 1,887.80
  4. Step 4: Simplify right side
    4,807.44x = 13,620,837.36
  5. Step 5: Solve for x
    x = 13,620,837.36/4,807.44
  6. Step 6: Final answer
    x = 2,833.28

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1.5x scale

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.