Home / 8,157.54-11,257.47-4,800.36

Finding the Fourth Proportional to 8,157.54, 11,257.47 and 4,800.36

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Solution

The fourth proportional to 8,157.54, 11,257.47 and 4,800.36 is: 6,624.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.54 : 11,257.47 = 4,800.36 : x
  2. Step 2: Convert to fraction form
    8,157.54/11,257.47 = 4,800.36/x
  3. Step 3: Cross multiply
    8,157.54x = 11,257.47 × 4,800.36
  4. Step 4: Simplify right side
    8,157.54x = 54,039,908.69
  5. Step 5: Solve for x
    x = 54,039,908.69/8,157.54
  6. Step 6: Final answer
    x = 6,624.53

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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.