Home / 4,284.50-6,426.95-1,687.23

Finding the Fourth Proportional to 4,284.50, 6,426.95 and 1,687.23

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Solution

The fourth proportional to 4,284.50, 6,426.95 and 1,687.23 is: 2,530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.50 : 6,426.95 = 1,687.23 : x
  2. Step 2: Convert to fraction form
    4,284.50/6,426.95 = 1,687.23/x
  3. Step 3: Cross multiply
    4,284.50x = 6,426.95 × 1,687.23
  4. Step 4: Simplify right side
    4,284.50x = 10,843,734.41
  5. Step 5: Solve for x
    x = 10,843,734.41/4,284.50
  6. Step 6: Final answer
    x = 2,530.92

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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.