Home / 8,643.32-12,964.38-4,933.93

Finding the Fourth Proportional to 8,643.32, 12,964.38 and 4,933.93

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Solution

The fourth proportional to 8,643.32, 12,964.38 and 4,933.93 is: 7,400.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,643.32 : 12,964.38 = 4,933.93 : x
  2. Step 2: Convert to fraction form
    8,643.32/12,964.38 = 4,933.93/x
  3. Step 3: Cross multiply
    8,643.32x = 12,964.38 × 4,933.93
  4. Step 4: Simplify right side
    8,643.32x = 63,965,343.41
  5. Step 5: Solve for x
    x = 63,965,343.41/8,643.32
  6. Step 6: Final answer
    x = 7,400.55

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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.