Home / 5,411.64-8,118.39-1,713.81

Finding the Fourth Proportional to 5,411.64, 8,118.39 and 1,713.81

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Solution

The fourth proportional to 5,411.64, 8,118.39 and 1,713.81 is: 2,571.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.64 : 8,118.39 = 1,713.81 : x
  2. Step 2: Convert to fraction form
    5,411.64/8,118.39 = 1,713.81/x
  3. Step 3: Cross multiply
    5,411.64x = 8,118.39 × 1,713.81
  4. Step 4: Simplify right side
    5,411.64x = 13,913,377.97
  5. Step 5: Solve for x
    x = 13,913,377.97/5,411.64
  6. Step 6: Final answer
    x = 2,571.01

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1.5x scale

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.