Home / 5,485.72-7,570.62-4,157.32

Finding the Fourth Proportional to 5,485.72, 7,570.62 and 4,157.32

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Solution

The fourth proportional to 5,485.72, 7,570.62 and 4,157.32 is: 5,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.72 : 7,570.62 = 4,157.32 : x
  2. Step 2: Convert to fraction form
    5,485.72/7,570.62 = 4,157.32/x
  3. Step 3: Cross multiply
    5,485.72x = 7,570.62 × 4,157.32
  4. Step 4: Simplify right side
    5,485.72x = 31,473,489.94
  5. Step 5: Solve for x
    x = 31,473,489.94/5,485.72
  6. Step 6: Final answer
    x = 5,737.35

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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.