Home / 4,282.18-6,426.91-1,686.94

Finding the Fourth Proportional to 4,282.18, 6,426.91 and 1,686.94

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Solution

The fourth proportional to 4,282.18, 6,426.91 and 1,686.94 is: 2,531.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.18 : 6,426.91 = 1,686.94 : x
  2. Step 2: Convert to fraction form
    4,282.18/6,426.91 = 1,686.94/x
  3. Step 3: Cross multiply
    4,282.18x = 6,426.91 × 1,686.94
  4. Step 4: Simplify right side
    4,282.18x = 10,841,797.60
  5. Step 5: Solve for x
    x = 10,841,797.60/4,282.18
  6. Step 6: Final answer
    x = 2,531.84

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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.