Home / 4,250.68-6,376.32-1,328.91

Finding the Fourth Proportional to 4,250.68, 6,376.32 and 1,328.91

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Solution

The fourth proportional to 4,250.68, 6,376.32 and 1,328.91 is: 1,993.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,250.68 : 6,376.32 = 1,328.91 : x
  2. Step 2: Convert to fraction form
    4,250.68/6,376.32 = 1,328.91/x
  3. Step 3: Cross multiply
    4,250.68x = 6,376.32 × 1,328.91
  4. Step 4: Simplify right side
    4,250.68x = 8,473,531.50
  5. Step 5: Solve for x
    x = 8,473,531.50/4,250.68
  6. Step 6: Final answer
    x = 1,993.45

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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.