Home / 4,320.39-6,476.22-1,686.27

Finding the Fourth Proportional to 4,320.39, 6,476.22 and 1,686.27

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Solution

The fourth proportional to 4,320.39, 6,476.22 and 1,686.27 is: 2,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.39 : 6,476.22 = 1,686.27 : x
  2. Step 2: Convert to fraction form
    4,320.39/6,476.22 = 1,686.27/x
  3. Step 3: Cross multiply
    4,320.39x = 6,476.22 × 1,686.27
  4. Step 4: Simplify right side
    4,320.39x = 10,920,655.50
  5. Step 5: Solve for x
    x = 10,920,655.50/4,320.39
  6. Step 6: Final answer
    x = 2,527.70

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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.