Home / 7,963.05-10,987.68-4,606.32

Finding the Fourth Proportional to 7,963.05, 10,987.68 and 4,606.32

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Solution

The fourth proportional to 7,963.05, 10,987.68 and 4,606.32 is: 6,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963.05 : 10,987.68 = 4,606.32 : x
  2. Step 2: Convert to fraction form
    7,963.05/10,987.68 = 4,606.32/x
  3. Step 3: Cross multiply
    7,963.05x = 10,987.68 × 4,606.32
  4. Step 4: Simplify right side
    7,963.05x = 50,612,770.14
  5. Step 5: Solve for x
    x = 50,612,770.14/7,963.05
  6. Step 6: Final answer
    x = 6,355.95

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1.5x scale

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.