Home / 4,210.08-6,282.20-3,772.80

Finding the Fourth Proportional to 4,210.08, 6,282.20 and 3,772.80

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Solution

The fourth proportional to 4,210.08, 6,282.20 and 3,772.80 is: 5,629.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.08 : 6,282.20 = 3,772.80 : x
  2. Step 2: Convert to fraction form
    4,210.08/6,282.20 = 3,772.80/x
  3. Step 3: Cross multiply
    4,210.08x = 6,282.20 × 3,772.80
  4. Step 4: Simplify right side
    4,210.08x = 23,701,484.16
  5. Step 5: Solve for x
    x = 23,701,484.16/4,210.08
  6. Step 6: Final answer
    x = 5,629.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.