Home / 4,311.40-6,468.70-1,713.64

Finding the Fourth Proportional to 4,311.40, 6,468.70 and 1,713.64

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Solution

The fourth proportional to 4,311.40, 6,468.70 and 1,713.64 is: 2,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.40 : 6,468.70 = 1,713.64 : x
  2. Step 2: Convert to fraction form
    4,311.40/6,468.70 = 1,713.64/x
  3. Step 3: Cross multiply
    4,311.40x = 6,468.70 × 1,713.64
  4. Step 4: Simplify right side
    4,311.40x = 11,085,023.07
  5. Step 5: Solve for x
    x = 11,085,023.07/4,311.40
  6. Step 6: Final answer
    x = 2,571.10

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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.