Home / 7,863.12-10,849.86-4,505.28

Finding the Fourth Proportional to 7,863.12, 10,849.86 and 4,505.28

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Solution

The fourth proportional to 7,863.12, 10,849.86 and 4,505.28 is: 6,216.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.12 : 10,849.86 = 4,505.28 : x
  2. Step 2: Convert to fraction form
    7,863.12/10,849.86 = 4,505.28/x
  3. Step 3: Cross multiply
    7,863.12x = 10,849.86 × 4,505.28
  4. Step 4: Simplify right side
    7,863.12x = 48,881,657.26
  5. Step 5: Solve for x
    x = 48,881,657.26/7,863.12
  6. Step 6: Final answer
    x = 6,216.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.