Home / 4,423.80-6,635.72-2,108.28

Finding the Fourth Proportional to 4,423.80, 6,635.72 and 2,108.28

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Solution

The fourth proportional to 4,423.80, 6,635.72 and 2,108.28 is: 3,162.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,423.80 : 6,635.72 = 2,108.28 : x
  2. Step 2: Convert to fraction form
    4,423.80/6,635.72 = 2,108.28/x
  3. Step 3: Cross multiply
    4,423.80x = 6,635.72 × 2,108.28
  4. Step 4: Simplify right side
    4,423.80x = 13,989,955.76
  5. Step 5: Solve for x
    x = 13,989,955.76/4,423.80
  6. Step 6: Final answer
    x = 3,162.43

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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.