Home / 7,747.40-11,621.10-3,361.16

Finding the Fourth Proportional to 7,747.40, 11,621.10 and 3,361.16

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Solution

The fourth proportional to 7,747.40, 11,621.10 and 3,361.16 is: 5,041.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.40 : 11,621.10 = 3,361.16 : x
  2. Step 2: Convert to fraction form
    7,747.40/11,621.10 = 3,361.16/x
  3. Step 3: Cross multiply
    7,747.40x = 11,621.10 × 3,361.16
  4. Step 4: Simplify right side
    7,747.40x = 39,060,376.48
  5. Step 5: Solve for x
    x = 39,060,376.48/7,747.40
  6. Step 6: Final answer
    x = 5,041.74

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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.