Home / 4,431.71-6,116.64-2,639.63

Finding the Fourth Proportional to 4,431.71, 6,116.64 and 2,639.63

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Solution

The fourth proportional to 4,431.71, 6,116.64 and 2,639.63 is: 3,643.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.71 : 6,116.64 = 2,639.63 : x
  2. Step 2: Convert to fraction form
    4,431.71/6,116.64 = 2,639.63/x
  3. Step 3: Cross multiply
    4,431.71x = 6,116.64 × 2,639.63
  4. Step 4: Simplify right side
    4,431.71x = 16,145,666.44
  5. Step 5: Solve for x
    x = 16,145,666.44/4,431.71
  6. Step 6: Final answer
    x = 3,643.21

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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.