Home / 6,912.02-9,535.88-3,886.45

Finding the Fourth Proportional to 6,912.02, 9,535.88 and 3,886.45

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Solution

The fourth proportional to 6,912.02, 9,535.88 and 3,886.45 is: 5,361.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.02 : 9,535.88 = 3,886.45 : x
  2. Step 2: Convert to fraction form
    6,912.02/9,535.88 = 3,886.45/x
  3. Step 3: Cross multiply
    6,912.02x = 9,535.88 × 3,886.45
  4. Step 4: Simplify right side
    6,912.02x = 37,060,706.70
  5. Step 5: Solve for x
    x = 37,060,706.70/6,912.02
  6. Step 6: Final answer
    x = 5,361.77

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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.