Home / 7,056.32-9,737.49-3,912.74

Finding the Fourth Proportional to 7,056.32, 9,737.49 and 3,912.74

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Solution

The fourth proportional to 7,056.32, 9,737.49 and 3,912.74 is: 5,399.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,056.32 : 9,737.49 = 3,912.74 : x
  2. Step 2: Convert to fraction form
    7,056.32/9,737.49 = 3,912.74/x
  3. Step 3: Cross multiply
    7,056.32x = 9,737.49 × 3,912.74
  4. Step 4: Simplify right side
    7,056.32x = 38,100,266.62
  5. Step 5: Solve for x
    x = 38,100,266.62/7,056.32
  6. Step 6: Final answer
    x = 5,399.45

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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.