Home / 4,987.11-7,480.32-2,065.32

Finding the Fourth Proportional to 4,987.11, 7,480.32 and 2,065.32

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Solution

The fourth proportional to 4,987.11, 7,480.32 and 2,065.32 is: 3,097.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.11 : 7,480.32 = 2,065.32 : x
  2. Step 2: Convert to fraction form
    4,987.11/7,480.32 = 2,065.32/x
  3. Step 3: Cross multiply
    4,987.11x = 7,480.32 × 2,065.32
  4. Step 4: Simplify right side
    4,987.11x = 15,449,254.50
  5. Step 5: Solve for x
    x = 15,449,254.50/4,987.11
  6. Step 6: Final answer
    x = 3,097.84

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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.