Home / 6,261.18-8,639.38-3,744.32

Finding the Fourth Proportional to 6,261.18, 8,639.38 and 3,744.32

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Solution

The fourth proportional to 6,261.18, 8,639.38 and 3,744.32 is: 5,166.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.18 : 8,639.38 = 3,744.32 : x
  2. Step 2: Convert to fraction form
    6,261.18/8,639.38 = 3,744.32/x
  3. Step 3: Cross multiply
    6,261.18x = 8,639.38 × 3,744.32
  4. Step 4: Simplify right side
    6,261.18x = 32,348,603.32
  5. Step 5: Solve for x
    x = 32,348,603.32/6,261.18
  6. Step 6: Final answer
    x = 5,166.53

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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.