Home / 4,420.85-6,100.79-2,431.53

Finding the Fourth Proportional to 4,420.85, 6,100.79 and 2,431.53

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Solution

The fourth proportional to 4,420.85, 6,100.79 and 2,431.53 is: 3,355.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.85 : 6,100.79 = 2,431.53 : x
  2. Step 2: Convert to fraction form
    4,420.85/6,100.79 = 2,431.53/x
  3. Step 3: Cross multiply
    4,420.85x = 6,100.79 × 2,431.53
  4. Step 4: Simplify right side
    4,420.85x = 14,834,253.91
  5. Step 5: Solve for x
    x = 14,834,253.91/4,420.85
  6. Step 6: Final answer
    x = 3,355.52

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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.