Home / 4,420.20-6,100.17-2,430.78

Finding the Fourth Proportional to 4,420.20, 6,100.17 and 2,430.78

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Solution

The fourth proportional to 4,420.20, 6,100.17 and 2,430.78 is: 3,354.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.20 : 6,100.17 = 2,430.78 : x
  2. Step 2: Convert to fraction form
    4,420.20/6,100.17 = 2,430.78/x
  3. Step 3: Cross multiply
    4,420.20x = 6,100.17 × 2,430.78
  4. Step 4: Simplify right side
    4,420.20x = 14,828,171.23
  5. Step 5: Solve for x
    x = 14,828,171.23/4,420.20
  6. Step 6: Final answer
    x = 3,354.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.