Home / 6,619.32-9,135.47-3,824.82

Finding the Fourth Proportional to 6,619.32, 9,135.47 and 3,824.82

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Solution

The fourth proportional to 6,619.32, 9,135.47 and 3,824.82 is: 5,278.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.32 : 9,135.47 = 3,824.82 : x
  2. Step 2: Convert to fraction form
    6,619.32/9,135.47 = 3,824.82/x
  3. Step 3: Cross multiply
    6,619.32x = 9,135.47 × 3,824.82
  4. Step 4: Simplify right side
    6,619.32x = 34,941,509.24
  5. Step 5: Solve for x
    x = 34,941,509.24/6,619.32
  6. Step 6: Final answer
    x = 5,278.72

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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.