Home / 7,056.21-9,737.88-3,912.18

Finding the Fourth Proportional to 7,056.21, 9,737.88 and 3,912.18

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Solution

The fourth proportional to 7,056.21, 9,737.88 and 3,912.18 is: 5,398.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,056.21 : 9,737.88 = 3,912.18 : x
  2. Step 2: Convert to fraction form
    7,056.21/9,737.88 = 3,912.18/x
  3. Step 3: Cross multiply
    7,056.21x = 9,737.88 × 3,912.18
  4. Step 4: Simplify right side
    7,056.21x = 38,096,339.38
  5. Step 5: Solve for x
    x = 38,096,339.38/7,056.21
  6. Step 6: Final answer
    x = 5,398.98

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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.