Home / 4,280.31-6,423.81-2,200.23

Finding the Fourth Proportional to 4,280.31, 6,423.81 and 2,200.23

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Solution

The fourth proportional to 4,280.31, 6,423.81 and 2,200.23 is: 3,302.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.31 : 6,423.81 = 2,200.23 : x
  2. Step 2: Convert to fraction form
    4,280.31/6,423.81 = 2,200.23/x
  3. Step 3: Cross multiply
    4,280.31x = 6,423.81 × 2,200.23
  4. Step 4: Simplify right side
    4,280.31x = 14,133,816.36
  5. Step 5: Solve for x
    x = 14,133,816.36/4,280.31
  6. Step 6: Final answer
    x = 3,302.06

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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.