Home / 7,056.16-9,737.64-3,912.28

Finding the Fourth Proportional to 7,056.16, 9,737.64 and 3,912.28

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Solution

The fourth proportional to 7,056.16, 9,737.64 and 3,912.28 is: 5,399.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,056.16 : 9,737.64 = 3,912.28 : x
  2. Step 2: Convert to fraction form
    7,056.16/9,737.64 = 3,912.28/x
  3. Step 3: Cross multiply
    7,056.16x = 9,737.64 × 3,912.28
  4. Step 4: Simplify right side
    7,056.16x = 38,096,374.22
  5. Step 5: Solve for x
    x = 38,096,374.22/7,056.16
  6. Step 6: Final answer
    x = 5,399.02

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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.