Home / 4,420.28-6,630.39-1,342.28

Finding the Fourth Proportional to 4,420.28, 6,630.39 and 1,342.28

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Solution

The fourth proportional to 4,420.28, 6,630.39 and 1,342.28 is: 2,013.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.28 : 6,630.39 = 1,342.28 : x
  2. Step 2: Convert to fraction form
    4,420.28/6,630.39 = 1,342.28/x
  3. Step 3: Cross multiply
    4,420.28x = 6,630.39 × 1,342.28
  4. Step 4: Simplify right side
    4,420.28x = 8,899,839.89
  5. Step 5: Solve for x
    x = 8,899,839.89/4,420.28
  6. Step 6: Final answer
    x = 2,013.41

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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.