Home / 4,687.77-7,025.07-3,643.02

Finding the Fourth Proportional to 4,687.77, 7,025.07 and 3,643.02

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Solution

The fourth proportional to 4,687.77, 7,025.07 and 3,643.02 is: 5,459.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.77 : 7,025.07 = 3,643.02 : x
  2. Step 2: Convert to fraction form
    4,687.77/7,025.07 = 3,643.02/x
  3. Step 3: Cross multiply
    4,687.77x = 7,025.07 × 3,643.02
  4. Step 4: Simplify right side
    4,687.77x = 25,592,470.51
  5. Step 5: Solve for x
    x = 25,592,470.51/4,687.77
  6. Step 6: Final answer
    x = 5,459.41

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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.