Home / 5,157.25-7,089.64-4,436.80

Finding the Fourth Proportional to 5,157.25, 7,089.64 and 4,436.80

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Solution

The fourth proportional to 5,157.25, 7,089.64 and 4,436.80 is: 6,099.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.25 : 7,089.64 = 4,436.80 : x
  2. Step 2: Convert to fraction form
    5,157.25/7,089.64 = 4,436.80/x
  3. Step 3: Cross multiply
    5,157.25x = 7,089.64 × 4,436.80
  4. Step 4: Simplify right side
    5,157.25x = 31,455,280.39
  5. Step 5: Solve for x
    x = 31,455,280.39/5,157.25
  6. Step 6: Final answer
    x = 6,099.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.