Home / 4,420.78-6,100.78-2,431.45

Finding the Fourth Proportional to 4,420.78, 6,100.78 and 2,431.45

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Solution

The fourth proportional to 4,420.78, 6,100.78 and 2,431.45 is: 3,355.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.78 : 6,100.78 = 2,431.45 : x
  2. Step 2: Convert to fraction form
    4,420.78/6,100.78 = 2,431.45/x
  3. Step 3: Cross multiply
    4,420.78x = 6,100.78 × 2,431.45
  4. Step 4: Simplify right side
    4,420.78x = 14,833,741.53
  5. Step 5: Solve for x
    x = 14,833,741.53/4,420.78
  6. Step 6: Final answer
    x = 3,355.46

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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.